Home / 121,423.44-167,565.30-67,711.94

Finding the Fourth Proportional to 121,423.44, 167,565.30 and 67,711.94

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Solution

The fourth proportional to 121,423.44, 167,565.30 and 67,711.94 is: 93,443.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,423.44 : 167,565.30 = 67,711.94 : x
  2. Step 2: Convert to fraction form
    121,423.44/167,565.30 = 67,711.94/x
  3. Step 3: Cross multiply
    121,423.44x = 167,565.30 × 67,711.94
  4. Step 4: Simplify right side
    121,423.44x = 11,346,170,701.86
  5. Step 5: Solve for x
    x = 11,346,170,701.86/121,423.44
  6. Step 6: Final answer
    x = 93,443.00

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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.