Home / 72,337.04-99,831.66-40,074.74

Finding the Fourth Proportional to 72,337.04, 99,831.66 and 40,074.74

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Solution

The fourth proportional to 72,337.04, 99,831.66 and 40,074.74 is: 55,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,337.04 : 99,831.66 = 40,074.74 : x
  2. Step 2: Convert to fraction form
    72,337.04/99,831.66 = 40,074.74/x
  3. Step 3: Cross multiply
    72,337.04x = 99,831.66 × 40,074.74
  4. Step 4: Simplify right side
    72,337.04x = 4,000,727,818.27
  5. Step 5: Solve for x
    x = 4,000,727,818.27/72,337.04
  6. Step 6: Final answer
    x = 55,306.77

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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.