Home / 69,106.10-103,659.15-19,186.23

Finding the Fourth Proportional to 69,106.10, 103,659.15 and 19,186.23

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Solution

The fourth proportional to 69,106.10, 103,659.15 and 19,186.23 is: 28,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,106.10 : 103,659.15 = 19,186.23 : x
  2. Step 2: Convert to fraction form
    69,106.10/103,659.15 = 19,186.23/x
  3. Step 3: Cross multiply
    69,106.10x = 103,659.15 × 19,186.23
  4. Step 4: Simplify right side
    69,106.10x = 1,988,828,293.50
  5. Step 5: Solve for x
    x = 1,988,828,293.50/69,106.10
  6. Step 6: Final answer
    x = 28,779.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.