Home / 90,656.30-125,098.38-52,418.30

Finding the Fourth Proportional to 90,656.30, 125,098.38 and 52,418.30

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Solution

The fourth proportional to 90,656.30, 125,098.38 and 52,418.30 is: 72,333.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,656.30 : 125,098.38 = 52,418.30 : x
  2. Step 2: Convert to fraction form
    90,656.30/125,098.38 = 52,418.30/x
  3. Step 3: Cross multiply
    90,656.30x = 125,098.38 × 52,418.30
  4. Step 4: Simplify right side
    90,656.30x = 6,557,444,412.35
  5. Step 5: Solve for x
    x = 6,557,444,412.35/90,656.30
  6. Step 6: Final answer
    x = 72,333.02

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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.