Home / 90,531.06-124,846.06-54,226.69

Finding the Fourth Proportional to 90,531.06, 124,846.06 and 54,226.69

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Solution

The fourth proportional to 90,531.06, 124,846.06 and 54,226.69 is: 74,780.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,531.06 : 124,846.06 = 54,226.69 : x
  2. Step 2: Convert to fraction form
    90,531.06/124,846.06 = 54,226.69/x
  3. Step 3: Cross multiply
    90,531.06x = 124,846.06 × 54,226.69
  4. Step 4: Simplify right side
    90,531.06x = 6,769,988,593.34
  5. Step 5: Solve for x
    x = 6,769,988,593.34/90,531.06
  6. Step 6: Final answer
    x = 74,780.84

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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.