Home / 89,784.25-134,678.42-26,603.19

Finding the Fourth Proportional to 89,784.25, 134,678.42 and 26,603.19

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Solution

The fourth proportional to 89,784.25, 134,678.42 and 26,603.19 is: 39,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,784.25 : 134,678.42 = 26,603.19 : x
  2. Step 2: Convert to fraction form
    89,784.25/134,678.42 = 26,603.19/x
  3. Step 3: Cross multiply
    89,784.25x = 134,678.42 × 26,603.19
  4. Step 4: Simplify right side
    89,784.25x = 3,582,875,562.91
  5. Step 5: Solve for x
    x = 3,582,875,562.91/89,784.25
  6. Step 6: Final answer
    x = 39,905.39

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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.