Home / 91,925.02-126,867.45-51,638.86

Finding the Fourth Proportional to 91,925.02, 126,867.45 and 51,638.86

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Solution

The fourth proportional to 91,925.02, 126,867.45 and 51,638.86 is: 71,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,925.02 : 126,867.45 = 51,638.86 : x
  2. Step 2: Convert to fraction form
    91,925.02/126,867.45 = 51,638.86/x
  3. Step 3: Cross multiply
    91,925.02x = 126,867.45 × 51,638.86
  4. Step 4: Simplify right side
    91,925.02x = 6,551,290,489.11
  5. Step 5: Solve for x
    x = 6,551,290,489.11/91,925.02
  6. Step 6: Final answer
    x = 71,267.76

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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.