Home / 72,432.95-99,957.15-40,601.84

Finding the Fourth Proportional to 72,432.95, 99,957.15 and 40,601.84

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Solution

The fourth proportional to 72,432.95, 99,957.15 and 40,601.84 is: 56,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,432.95 : 99,957.15 = 40,601.84 : x
  2. Step 2: Convert to fraction form
    72,432.95/99,957.15 = 40,601.84/x
  3. Step 3: Cross multiply
    72,432.95x = 99,957.15 × 40,601.84
  4. Step 4: Simplify right side
    72,432.95x = 4,058,444,752.42
  5. Step 5: Solve for x
    x = 4,058,444,752.42/72,432.95
  6. Step 6: Final answer
    x = 56,030.37

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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.