Home / 71,503.05-98,649.77-40,854.16

Finding the Fourth Proportional to 71,503.05, 98,649.77 and 40,854.16

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Solution

The fourth proportional to 71,503.05, 98,649.77 and 40,854.16 is: 56,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,503.05 : 98,649.77 = 40,854.16 : x
  2. Step 2: Convert to fraction form
    71,503.05/98,649.77 = 40,854.16/x
  3. Step 3: Cross multiply
    71,503.05x = 98,649.77 × 40,854.16
  4. Step 4: Simplify right side
    71,503.05x = 4,030,253,487.54
  5. Step 5: Solve for x
    x = 4,030,253,487.54/71,503.05
  6. Step 6: Final answer
    x = 56,364.78

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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.