Home / 72,248.16-99,700.14-40,416.37

Finding the Fourth Proportional to 72,248.16, 99,700.14 and 40,416.37

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Solution

The fourth proportional to 72,248.16, 99,700.14 and 40,416.37 is: 55,773.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,248.16 : 99,700.14 = 40,416.37 : x
  2. Step 2: Convert to fraction form
    72,248.16/99,700.14 = 40,416.37/x
  3. Step 3: Cross multiply
    72,248.16x = 99,700.14 × 40,416.37
  4. Step 4: Simplify right side
    72,248.16x = 4,029,517,747.29
  5. Step 5: Solve for x
    x = 4,029,517,747.29/72,248.16
  6. Step 6: Final answer
    x = 55,773.29

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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.