Home / 90,462.12-124,837.20-50,175.60

Finding the Fourth Proportional to 90,462.12, 124,837.20 and 50,175.60

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Solution

The fourth proportional to 90,462.12, 124,837.20 and 50,175.60 is: 69,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,462.12 : 124,837.20 = 50,175.60 : x
  2. Step 2: Convert to fraction form
    90,462.12/124,837.20 = 50,175.60/x
  3. Step 3: Cross multiply
    90,462.12x = 124,837.20 × 50,175.60
  4. Step 4: Simplify right side
    90,462.12x = 6,263,781,412.32
  5. Step 5: Solve for x
    x = 6,263,781,412.32/90,462.12
  6. Step 6: Final answer
    x = 69,242.04

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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.