Home / 71,130.30-98,162.67-40,915.62

Finding the Fourth Proportional to 71,130.30, 98,162.67 and 40,915.62

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Solution

The fourth proportional to 71,130.30, 98,162.67 and 40,915.62 is: 56,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,130.30 : 98,162.67 = 40,915.62 : x
  2. Step 2: Convert to fraction form
    71,130.30/98,162.67 = 40,915.62/x
  3. Step 3: Cross multiply
    71,130.30x = 98,162.67 × 40,915.62
  4. Step 4: Simplify right side
    71,130.30x = 4,016,386,503.91
  5. Step 5: Solve for x
    x = 4,016,386,503.91/71,130.30
  6. Step 6: Final answer
    x = 56,465.20

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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.