Home / 72,294.23-99,765.06-40,463.12

Finding the Fourth Proportional to 72,294.23, 99,765.06 and 40,463.12

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Solution

The fourth proportional to 72,294.23, 99,765.06 and 40,463.12 is: 55,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,294.23 : 99,765.06 = 40,463.12 : x
  2. Step 2: Convert to fraction form
    72,294.23/99,765.06 = 40,463.12/x
  3. Step 3: Cross multiply
    72,294.23x = 99,765.06 × 40,463.12
  4. Step 4: Simplify right side
    72,294.23x = 4,036,805,594.59
  5. Step 5: Solve for x
    x = 4,036,805,594.59/72,294.23
  6. Step 6: Final answer
    x = 55,838.56

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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.