Home / 90,244.18-124,535.01-49,408.21

Finding the Fourth Proportional to 90,244.18, 124,535.01 and 49,408.21

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Solution

The fourth proportional to 90,244.18, 124,535.01 and 49,408.21 is: 68,182.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,244.18 : 124,535.01 = 49,408.21 : x
  2. Step 2: Convert to fraction form
    90,244.18/124,535.01 = 49,408.21/x
  3. Step 3: Cross multiply
    90,244.18x = 124,535.01 × 49,408.21
  4. Step 4: Simplify right side
    90,244.18x = 6,153,051,926.43
  5. Step 5: Solve for x
    x = 6,153,051,926.43/90,244.18
  6. Step 6: Final answer
    x = 68,182.26

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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.