Home / 71,124.40-98,151.60-40,915.84

Finding the Fourth Proportional to 71,124.40, 98,151.60 and 40,915.84

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Solution

The fourth proportional to 71,124.40, 98,151.60 and 40,915.84 is: 56,463.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,124.40 : 98,151.60 = 40,915.84 : x
  2. Step 2: Convert to fraction form
    71,124.40/98,151.60 = 40,915.84/x
  3. Step 3: Cross multiply
    71,124.40x = 98,151.60 × 40,915.84
  4. Step 4: Simplify right side
    71,124.40x = 4,015,955,161.34
  5. Step 5: Solve for x
    x = 4,015,955,161.34/71,124.40
  6. Step 6: Final answer
    x = 56,463.82

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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.