Home / 74,132.16-102,264.24-50,250.72

Finding the Fourth Proportional to 74,132.16, 102,264.24 and 50,250.72

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Solution

The fourth proportional to 74,132.16, 102,264.24 and 50,250.72 is: 69,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,132.16 : 102,264.24 = 50,250.72 : x
  2. Step 2: Convert to fraction form
    74,132.16/102,264.24 = 50,250.72/x
  3. Step 3: Cross multiply
    74,132.16x = 102,264.24 × 50,250.72
  4. Step 4: Simplify right side
    74,132.16x = 5,138,851,690.25
  5. Step 5: Solve for x
    x = 5,138,851,690.25/74,132.16
  6. Step 6: Final answer
    x = 69,320.14

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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.