Home / 124,666.50-172,052.22-74,365.50

Finding the Fourth Proportional to 124,666.50, 172,052.22 and 74,365.50

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Solution

The fourth proportional to 124,666.50, 172,052.22 and 74,365.50 is: 102,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,666.50 : 172,052.22 = 74,365.50 : x
  2. Step 2: Convert to fraction form
    124,666.50/172,052.22 = 74,365.50/x
  3. Step 3: Cross multiply
    124,666.50x = 172,052.22 × 74,365.50
  4. Step 4: Simplify right side
    124,666.50x = 12,794,749,366.41
  5. Step 5: Solve for x
    x = 12,794,749,366.41/124,666.50
  6. Step 6: Final answer
    x = 102,631.82

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1.5x scale

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.