Home / 71,568.10-98,762.08-39,736.18

Finding the Fourth Proportional to 71,568.10, 98,762.08 and 39,736.18

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Solution

The fourth proportional to 71,568.10, 98,762.08 and 39,736.18 is: 54,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,568.10 : 98,762.08 = 39,736.18 : x
  2. Step 2: Convert to fraction form
    71,568.10/98,762.08 = 39,736.18/x
  3. Step 3: Cross multiply
    71,568.10x = 98,762.08 × 39,736.18
  4. Step 4: Simplify right side
    71,568.10x = 3,924,427,788.05
  5. Step 5: Solve for x
    x = 3,924,427,788.05/71,568.10
  6. Step 6: Final answer
    x = 54,834.87

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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.