Home / 90,115.11-124,317.45-58,294.26

Finding the Fourth Proportional to 90,115.11, 124,317.45 and 58,294.26

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Solution

The fourth proportional to 90,115.11, 124,317.45 and 58,294.26 is: 80,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,115.11 : 124,317.45 = 58,294.26 : x
  2. Step 2: Convert to fraction form
    90,115.11/124,317.45 = 58,294.26/x
  3. Step 3: Cross multiply
    90,115.11x = 124,317.45 × 58,294.26
  4. Step 4: Simplify right side
    90,115.11x = 7,246,993,752.84
  5. Step 5: Solve for x
    x = 7,246,993,752.84/90,115.11
  6. Step 6: Final answer
    x = 80,419.30

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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.