Home / 69,132.10-103,698.15-34,140.10

Finding the Fourth Proportional to 69,132.10, 103,698.15 and 34,140.10

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Solution

The fourth proportional to 69,132.10, 103,698.15 and 34,140.10 is: 51,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,132.10 : 103,698.15 = 34,140.10 : x
  2. Step 2: Convert to fraction form
    69,132.10/103,698.15 = 34,140.10/x
  3. Step 3: Cross multiply
    69,132.10x = 103,698.15 × 34,140.10
  4. Step 4: Simplify right side
    69,132.10x = 3,540,265,210.82
  5. Step 5: Solve for x
    x = 3,540,265,210.82/69,132.10
  6. Step 6: Final answer
    x = 51,210.15

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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.