Home / 90,150.48-124,432.74-52,432.02

Finding the Fourth Proportional to 90,150.48, 124,432.74 and 52,432.02

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Solution

The fourth proportional to 90,150.48, 124,432.74 and 52,432.02 is: 72,370.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,150.48 : 124,432.74 = 52,432.02 : x
  2. Step 2: Convert to fraction form
    90,150.48/124,432.74 = 52,432.02/x
  3. Step 3: Cross multiply
    90,150.48x = 124,432.74 × 52,432.02
  4. Step 4: Simplify right side
    90,150.48x = 6,524,259,912.33
  5. Step 5: Solve for x
    x = 6,524,259,912.33/90,150.48
  6. Step 6: Final answer
    x = 72,370.77

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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.