Home / 72,577.44-100,150.02-40,740.12

Finding the Fourth Proportional to 72,577.44, 100,150.02 and 40,740.12

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Solution

The fourth proportional to 72,577.44, 100,150.02 and 40,740.12 is: 56,217.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,577.44 : 100,150.02 = 40,740.12 : x
  2. Step 2: Convert to fraction form
    72,577.44/100,150.02 = 40,740.12/x
  3. Step 3: Cross multiply
    72,577.44x = 100,150.02 × 40,740.12
  4. Step 4: Simplify right side
    72,577.44x = 4,080,123,832.80
  5. Step 5: Solve for x
    x = 4,080,123,832.80/72,577.44
  6. Step 6: Final answer
    x = 56,217.52

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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.