Home / 71,037.18-98,032.10-39,206.08

Finding the Fourth Proportional to 71,037.18, 98,032.10 and 39,206.08

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Solution

The fourth proportional to 71,037.18, 98,032.10 and 39,206.08 is: 54,104.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,037.18 : 98,032.10 = 39,206.08 : x
  2. Step 2: Convert to fraction form
    71,037.18/98,032.10 = 39,206.08/x
  3. Step 3: Cross multiply
    71,037.18x = 98,032.10 × 39,206.08
  4. Step 4: Simplify right side
    71,037.18x = 3,843,454,088.62
  5. Step 5: Solve for x
    x = 3,843,454,088.62/71,037.18
  6. Step 6: Final answer
    x = 54,104.83

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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.