Home / 89,038.42-122,872.57-48,751.45

Finding the Fourth Proportional to 89,038.42, 122,872.57 and 48,751.45

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Solution

The fourth proportional to 89,038.42, 122,872.57 and 48,751.45 is: 67,276.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,038.42 : 122,872.57 = 48,751.45 : x
  2. Step 2: Convert to fraction form
    89,038.42/122,872.57 = 48,751.45/x
  3. Step 3: Cross multiply
    89,038.42x = 122,872.57 × 48,751.45
  4. Step 4: Simplify right side
    89,038.42x = 5,990,215,523.67
  5. Step 5: Solve for x
    x = 5,990,215,523.67/89,038.42
  6. Step 6: Final answer
    x = 67,276.75

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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.