Home / 72,542.95-100,150.94-48,337.53

Finding the Fourth Proportional to 72,542.95, 100,150.94 and 48,337.53

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Solution

The fourth proportional to 72,542.95, 100,150.94 and 48,337.53 is: 66,733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,542.95 : 100,150.94 = 48,337.53 : x
  2. Step 2: Convert to fraction form
    72,542.95/100,150.94 = 48,337.53/x
  3. Step 3: Cross multiply
    72,542.95x = 100,150.94 × 48,337.53
  4. Step 4: Simplify right side
    72,542.95x = 4,841,049,066.78
  5. Step 5: Solve for x
    x = 4,841,049,066.78/72,542.95
  6. Step 6: Final answer
    x = 66,733.56

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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.