Home / 85,154.82-117,399.15-59,626.86

Finding the Fourth Proportional to 85,154.82, 117,399.15 and 59,626.86

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Solution

The fourth proportional to 85,154.82, 117,399.15 and 59,626.86 is: 82,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,154.82 : 117,399.15 = 59,626.86 : x
  2. Step 2: Convert to fraction form
    85,154.82/117,399.15 = 59,626.86/x
  3. Step 3: Cross multiply
    85,154.82x = 117,399.15 × 59,626.86
  4. Step 4: Simplify right side
    85,154.82x = 7,000,142,681.17
  5. Step 5: Solve for x
    x = 7,000,142,681.17/85,154.82
  6. Step 6: Final answer
    x = 82,204.89

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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.