Home / 89,759.63-134,641.26-27,430.13

Finding the Fourth Proportional to 89,759.63, 134,641.26 and 27,430.13

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Solution

The fourth proportional to 89,759.63, 134,641.26 and 27,430.13 is: 41,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,759.63 : 134,641.26 = 27,430.13 : x
  2. Step 2: Convert to fraction form
    89,759.63/134,641.26 = 27,430.13/x
  3. Step 3: Cross multiply
    89,759.63x = 134,641.26 × 27,430.13
  4. Step 4: Simplify right side
    89,759.63x = 3,693,226,591.96
  5. Step 5: Solve for x
    x = 3,693,226,591.96/89,759.63
  6. Step 6: Final answer
    x = 41,145.74

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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.