Home / 89,686.87-134,498.80-26,490.13

Finding the Fourth Proportional to 89,686.87, 134,498.80 and 26,490.13

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Solution

The fourth proportional to 89,686.87, 134,498.80 and 26,490.13 is: 39,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,686.87 : 134,498.80 = 26,490.13 : x
  2. Step 2: Convert to fraction form
    89,686.87/134,498.80 = 26,490.13/x
  3. Step 3: Cross multiply
    89,686.87x = 134,498.80 × 26,490.13
  4. Step 4: Simplify right side
    89,686.87x = 3,562,890,696.84
  5. Step 5: Solve for x
    x = 3,562,890,696.84/89,686.87
  6. Step 6: Final answer
    x = 39,725.89

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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.