Home / 90,711.74-136,138.44-62,827.22

Finding the Fourth Proportional to 90,711.74, 136,138.44 and 62,827.22

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Solution

The fourth proportional to 90,711.74, 136,138.44 and 62,827.22 is: 94,289.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,711.74 : 136,138.44 = 62,827.22 : x
  2. Step 2: Convert to fraction form
    90,711.74/136,138.44 = 62,827.22/x
  3. Step 3: Cross multiply
    90,711.74x = 136,138.44 × 62,827.22
  4. Step 4: Simplify right side
    90,711.74x = 8,553,199,720.34
  5. Step 5: Solve for x
    x = 8,553,199,720.34/90,711.74
  6. Step 6: Final answer
    x = 94,289.89

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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.