Home / 107,957.90-161,931.72-37,831.88

Finding the Fourth Proportional to 107,957.90, 161,931.72 and 37,831.88

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Solution

The fourth proportional to 107,957.90, 161,931.72 and 37,831.88 is: 56,746.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,957.90 : 161,931.72 = 37,831.88 : x
  2. Step 2: Convert to fraction form
    107,957.90/161,931.72 = 37,831.88/x
  3. Step 3: Cross multiply
    107,957.90x = 161,931.72 × 37,831.88
  4. Step 4: Simplify right side
    107,957.90x = 6,126,181,399.23
  5. Step 5: Solve for x
    x = 6,126,181,399.23/107,957.90
  6. Step 6: Final answer
    x = 56,746.02

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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.