Home / 90,097.48-124,329.16-49,808.08

Finding the Fourth Proportional to 90,097.48, 124,329.16 and 49,808.08

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Solution

The fourth proportional to 90,097.48, 124,329.16 and 49,808.08 is: 68,732.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,097.48 : 124,329.16 = 49,808.08 : x
  2. Step 2: Convert to fraction form
    90,097.48/124,329.16 = 49,808.08/x
  3. Step 3: Cross multiply
    90,097.48x = 124,329.16 × 49,808.08
  4. Step 4: Simplify right side
    90,097.48x = 6,192,596,747.61
  5. Step 5: Solve for x
    x = 6,192,596,747.61/90,097.48
  6. Step 6: Final answer
    x = 68,732.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.