Home / 72,092.22-99,487.47-40,262.32

Finding the Fourth Proportional to 72,092.22, 99,487.47 and 40,262.32

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Solution

The fourth proportional to 72,092.22, 99,487.47 and 40,262.32 is: 55,562.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,092.22 : 99,487.47 = 40,262.32 : x
  2. Step 2: Convert to fraction form
    72,092.22/99,487.47 = 40,262.32/x
  3. Step 3: Cross multiply
    72,092.22x = 99,487.47 × 40,262.32
  4. Step 4: Simplify right side
    72,092.22x = 4,005,596,353.13
  5. Step 5: Solve for x
    x = 4,005,596,353.13/72,092.22
  6. Step 6: Final answer
    x = 55,562.12

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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.