Home / 80,831.16-111,552.93-52,618.86

Finding the Fourth Proportional to 80,831.16, 111,552.93 and 52,618.86

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Solution

The fourth proportional to 80,831.16, 111,552.93 and 52,618.86 is: 72,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,831.16 : 111,552.93 = 52,618.86 : x
  2. Step 2: Convert to fraction form
    80,831.16/111,552.93 = 52,618.86/x
  3. Step 3: Cross multiply
    80,831.16x = 111,552.93 × 52,618.86
  4. Step 4: Simplify right side
    80,831.16x = 5,869,788,006.26
  5. Step 5: Solve for x
    x = 5,869,788,006.26/80,831.16
  6. Step 6: Final answer
    x = 72,617.89

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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.