Home / 90,308.46-135,397.08-37,732.98

Finding the Fourth Proportional to 90,308.46, 135,397.08 and 37,732.98

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Solution

The fourth proportional to 90,308.46, 135,397.08 and 37,732.98 is: 56,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,308.46 : 135,397.08 = 37,732.98 : x
  2. Step 2: Convert to fraction form
    90,308.46/135,397.08 = 37,732.98/x
  3. Step 3: Cross multiply
    90,308.46x = 135,397.08 × 37,732.98
  4. Step 4: Simplify right side
    90,308.46x = 5,108,935,311.70
  5. Step 5: Solve for x
    x = 5,108,935,311.70/90,308.46
  6. Step 6: Final answer
    x = 56,572.06

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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.