Home / 124,337.52-171,534.42-86,633.64

Finding the Fourth Proportional to 124,337.52, 171,534.42 and 86,633.64

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Solution

The fourth proportional to 124,337.52, 171,534.42 and 86,633.64 is: 119,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,337.52 : 171,534.42 = 86,633.64 : x
  2. Step 2: Convert to fraction form
    124,337.52/171,534.42 = 86,633.64/x
  3. Step 3: Cross multiply
    124,337.52x = 171,534.42 × 86,633.64
  4. Step 4: Simplify right side
    124,337.52x = 14,860,651,189.89
  5. Step 5: Solve for x
    x = 14,860,651,189.89/124,337.52
  6. Step 6: Final answer
    x = 119,518.64

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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.