Home / 89,726.90-134,417.88-50,164.04

Finding the Fourth Proportional to 89,726.90, 134,417.88 and 50,164.04

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Solution

The fourth proportional to 89,726.90, 134,417.88 and 50,164.04 is: 75,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,726.90 : 134,417.88 = 50,164.04 : x
  2. Step 2: Convert to fraction form
    89,726.90/134,417.88 = 50,164.04/x
  3. Step 3: Cross multiply
    89,726.90x = 134,417.88 × 50,164.04
  4. Step 4: Simplify right side
    89,726.90x = 6,742,943,909.04
  5. Step 5: Solve for x
    x = 6,742,943,909.04/89,726.90
  6. Step 6: Final answer
    x = 75,149.64

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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.