Home / 124,884.32-172,360.72-92,831.82

Finding the Fourth Proportional to 124,884.32, 172,360.72 and 92,831.82

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Solution

The fourth proportional to 124,884.32, 172,360.72 and 92,831.82 is: 128,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,884.32 : 172,360.72 = 92,831.82 : x
  2. Step 2: Convert to fraction form
    124,884.32/172,360.72 = 92,831.82/x
  3. Step 3: Cross multiply
    124,884.32x = 172,360.72 × 92,831.82
  4. Step 4: Simplify right side
    124,884.32x = 16,000,559,334.11
  5. Step 5: Solve for x
    x = 16,000,559,334.11/124,884.32
  6. Step 6: Final answer
    x = 128,123.04

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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.