Home / 90,648.19-125,087.16-52,410.19

Finding the Fourth Proportional to 90,648.19, 125,087.16 and 52,410.19

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Solution

The fourth proportional to 90,648.19, 125,087.16 and 52,410.19 is: 72,321.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,648.19 : 125,087.16 = 52,410.19 : x
  2. Step 2: Convert to fraction form
    90,648.19/125,087.16 = 52,410.19/x
  3. Step 3: Cross multiply
    90,648.19x = 125,087.16 × 52,410.19
  4. Step 4: Simplify right side
    90,648.19x = 6,555,841,822.16
  5. Step 5: Solve for x
    x = 6,555,841,822.16/90,648.19
  6. Step 6: Final answer
    x = 72,321.82

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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.