Home / 124,462.50-171,758.25-67,874.28

Finding the Fourth Proportional to 124,462.50, 171,758.25 and 67,874.28

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Solution

The fourth proportional to 124,462.50, 171,758.25 and 67,874.28 is: 93,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,462.50 : 171,758.25 = 67,874.28 : x
  2. Step 2: Convert to fraction form
    124,462.50/171,758.25 = 67,874.28/x
  3. Step 3: Cross multiply
    124,462.50x = 171,758.25 × 67,874.28
  4. Step 4: Simplify right side
    124,462.50x = 11,657,967,552.81
  5. Step 5: Solve for x
    x = 11,657,967,552.81/124,462.50
  6. Step 6: Final answer
    x = 93,666.51

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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.