Home / 89,507.12-134,260.67-42,617.84

Finding the Fourth Proportional to 89,507.12, 134,260.67 and 42,617.84

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Solution

The fourth proportional to 89,507.12, 134,260.67 and 42,617.84 is: 63,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,507.12 : 134,260.67 = 42,617.84 : x
  2. Step 2: Convert to fraction form
    89,507.12/134,260.67 = 42,617.84/x
  3. Step 3: Cross multiply
    89,507.12x = 134,260.67 × 42,617.84
  4. Step 4: Simplify right side
    89,507.12x = 5,721,898,867.96
  5. Step 5: Solve for x
    x = 5,721,898,867.96/89,507.12
  6. Step 6: Final answer
    x = 63,926.75

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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.