Home / 124,726.34-172,122.32-67,365.70

Finding the Fourth Proportional to 124,726.34, 172,122.32 and 67,365.70

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Solution

The fourth proportional to 124,726.34, 172,122.32 and 67,365.70 is: 92,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,726.34 : 172,122.32 = 67,365.70 : x
  2. Step 2: Convert to fraction form
    124,726.34/172,122.32 = 67,365.70/x
  3. Step 3: Cross multiply
    124,726.34x = 172,122.32 × 67,365.70
  4. Step 4: Simplify right side
    124,726.34x = 11,595,140,310.53
  5. Step 5: Solve for x
    x = 11,595,140,310.53/124,726.34
  6. Step 6: Final answer
    x = 92,964.65

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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.