Home / 99,554.88-148,981.35-62,132.49

Finding the Fourth Proportional to 99,554.88, 148,981.35 and 62,132.49

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Solution

The fourth proportional to 99,554.88, 148,981.35 and 62,132.49 is: 92,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,554.88 : 148,981.35 = 62,132.49 : x
  2. Step 2: Convert to fraction form
    99,554.88/148,981.35 = 62,132.49/x
  3. Step 3: Cross multiply
    99,554.88x = 148,981.35 × 62,132.49
  4. Step 4: Simplify right side
    99,554.88x = 9,256,582,239.06
  5. Step 5: Solve for x
    x = 9,256,582,239.06/99,554.88
  6. Step 6: Final answer
    x = 92,979.69

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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.