Home / 89,008.20-122,826.90-48,720.93

Finding the Fourth Proportional to 89,008.20, 122,826.90 and 48,720.93

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Solution

The fourth proportional to 89,008.20, 122,826.90 and 48,720.93 is: 67,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,008.20 : 122,826.90 = 48,720.93 : x
  2. Step 2: Convert to fraction form
    89,008.20/122,826.90 = 48,720.93/x
  3. Step 3: Cross multiply
    89,008.20x = 122,826.90 × 48,720.93
  4. Step 4: Simplify right side
    89,008.20x = 5,984,240,797.02
  5. Step 5: Solve for x
    x = 5,984,240,797.02/89,008.20
  6. Step 6: Final answer
    x = 67,232.47

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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.