Home / 122,917.59-169,632.02-74,521.03

Finding the Fourth Proportional to 122,917.59, 169,632.02 and 74,521.03

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Solution

The fourth proportional to 122,917.59, 169,632.02 and 74,521.03 is: 102,842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,917.59 : 169,632.02 = 74,521.03 : x
  2. Step 2: Convert to fraction form
    122,917.59/169,632.02 = 74,521.03/x
  3. Step 3: Cross multiply
    122,917.59x = 169,632.02 × 74,521.03
  4. Step 4: Simplify right side
    122,917.59x = 12,641,152,478.78
  5. Step 5: Solve for x
    x = 12,641,152,478.78/122,917.59
  6. Step 6: Final answer
    x = 102,842.50

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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.