Home / 90,532.56-124,848.13-54,228.19

Finding the Fourth Proportional to 90,532.56, 124,848.13 and 54,228.19

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Solution

The fourth proportional to 90,532.56, 124,848.13 and 54,228.19 is: 74,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,532.56 : 124,848.13 = 54,228.19 : x
  2. Step 2: Convert to fraction form
    90,532.56/124,848.13 = 54,228.19/x
  3. Step 3: Cross multiply
    90,532.56x = 124,848.13 × 54,228.19
  4. Step 4: Simplify right side
    90,532.56x = 6,770,288,114.78
  5. Step 5: Solve for x
    x = 6,770,288,114.78/90,532.56
  6. Step 6: Final answer
    x = 74,782.91

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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.