Home / 88,720.30-122,432.07-48,432.52

Finding the Fourth Proportional to 88,720.30, 122,432.07 and 48,432.52

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Solution

The fourth proportional to 88,720.30, 122,432.07 and 48,432.52 is: 66,835.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,720.30 : 122,432.07 = 48,432.52 : x
  2. Step 2: Convert to fraction form
    88,720.30/122,432.07 = 48,432.52/x
  3. Step 3: Cross multiply
    88,720.30x = 122,432.07 × 48,432.52
  4. Step 4: Simplify right side
    88,720.30x = 5,929,693,678.92
  5. Step 5: Solve for x
    x = 5,929,693,678.92/88,720.30
  6. Step 6: Final answer
    x = 66,835.82

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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.