Home / 91,831.60-137,747.40-32,669.20

Finding the Fourth Proportional to 91,831.60, 137,747.40 and 32,669.20

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Solution

The fourth proportional to 91,831.60, 137,747.40 and 32,669.20 is: 49,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,831.60 : 137,747.40 = 32,669.20 : x
  2. Step 2: Convert to fraction form
    91,831.60/137,747.40 = 32,669.20/x
  3. Step 3: Cross multiply
    91,831.60x = 137,747.40 × 32,669.20
  4. Step 4: Simplify right side
    91,831.60x = 4,500,097,360.08
  5. Step 5: Solve for x
    x = 4,500,097,360.08/91,831.60
  6. Step 6: Final answer
    x = 49,003.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.