Home / 103,659.10-143,047.83-58,337.08

Finding the Fourth Proportional to 103,659.10, 143,047.83 and 58,337.08

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Solution

The fourth proportional to 103,659.10, 143,047.83 and 58,337.08 is: 80,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,659.10 : 143,047.83 = 58,337.08 : x
  2. Step 2: Convert to fraction form
    103,659.10/143,047.83 = 58,337.08/x
  3. Step 3: Cross multiply
    103,659.10x = 143,047.83 × 58,337.08
  4. Step 4: Simplify right side
    103,659.10x = 8,344,992,702.54
  5. Step 5: Solve for x
    x = 8,344,992,702.54/103,659.10
  6. Step 6: Final answer
    x = 80,504.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.