Home / 89,741.40-134,412.84-58,049.36

Finding the Fourth Proportional to 89,741.40, 134,412.84 and 58,049.36

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Solution

The fourth proportional to 89,741.40, 134,412.84 and 58,049.36 is: 86,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,741.40 : 134,412.84 = 58,049.36 : x
  2. Step 2: Convert to fraction form
    89,741.40/134,412.84 = 58,049.36/x
  3. Step 3: Cross multiply
    89,741.40x = 134,412.84 × 58,049.36
  4. Step 4: Simplify right side
    89,741.40x = 7,802,579,337.78
  5. Step 5: Solve for x
    x = 7,802,579,337.78/89,741.40
  6. Step 6: Final answer
    x = 86,945.15

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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.