Home / 89,782.47-134,654.80-26,603.13

Finding the Fourth Proportional to 89,782.47, 134,654.80 and 26,603.13

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Solution

The fourth proportional to 89,782.47, 134,654.80 and 26,603.13 is: 39,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,782.47 : 134,654.80 = 26,603.13 : x
  2. Step 2: Convert to fraction form
    89,782.47/134,654.80 = 26,603.13/x
  3. Step 3: Cross multiply
    89,782.47x = 134,654.80 × 26,603.13
  4. Step 4: Simplify right side
    89,782.47x = 3,582,239,149.52
  5. Step 5: Solve for x
    x = 3,582,239,149.52/89,782.47
  6. Step 6: Final answer
    x = 39,899.09

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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.