Home / 89,567.11-134,335.56-25,520.74

Finding the Fourth Proportional to 89,567.11, 134,335.56 and 25,520.74

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Solution

The fourth proportional to 89,567.11, 134,335.56 and 25,520.74 is: 38,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,567.11 : 134,335.56 = 25,520.74 : x
  2. Step 2: Convert to fraction form
    89,567.11/134,335.56 = 25,520.74/x
  3. Step 3: Cross multiply
    89,567.11x = 134,335.56 × 25,520.74
  4. Step 4: Simplify right side
    89,567.11x = 3,428,342,899.51
  5. Step 5: Solve for x
    x = 3,428,342,899.51/89,567.11
  6. Step 6: Final answer
    x = 38,276.81

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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.