Home / 124,566.50-171,904.20-74,265.50

Finding the Fourth Proportional to 124,566.50, 171,904.20 and 74,265.50

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Solution

The fourth proportional to 124,566.50, 171,904.20 and 74,265.50 is: 102,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,566.50 : 171,904.20 = 74,265.50 : x
  2. Step 2: Convert to fraction form
    124,566.50/171,904.20 = 74,265.50/x
  3. Step 3: Cross multiply
    124,566.50x = 171,904.20 × 74,265.50
  4. Step 4: Simplify right side
    124,566.50x = 12,766,551,365.10
  5. Step 5: Solve for x
    x = 12,766,551,365.10/124,566.50
  6. Step 6: Final answer
    x = 102,487.84

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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.