Home / 90,016.59-124,225.40-49,732.95

Finding the Fourth Proportional to 90,016.59, 124,225.40 and 49,732.95

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Solution

The fourth proportional to 90,016.59, 124,225.40 and 49,732.95 is: 68,632.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,016.59 : 124,225.40 = 49,732.95 : x
  2. Step 2: Convert to fraction form
    90,016.59/124,225.40 = 49,732.95/x
  3. Step 3: Cross multiply
    90,016.59x = 124,225.40 × 49,732.95
  4. Step 4: Simplify right side
    90,016.59x = 6,178,095,731.26
  5. Step 5: Solve for x
    x = 6,178,095,731.26/90,016.59
  6. Step 6: Final answer
    x = 68,632.86

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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.