Home / 89,151.68-123,026.64-48,864.56

Finding the Fourth Proportional to 89,151.68, 123,026.64 and 48,864.56

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Solution

The fourth proportional to 89,151.68, 123,026.64 and 48,864.56 is: 67,431.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,151.68 : 123,026.64 = 48,864.56 : x
  2. Step 2: Convert to fraction form
    89,151.68/123,026.64 = 48,864.56/x
  3. Step 3: Cross multiply
    89,151.68x = 123,026.64 × 48,864.56
  4. Step 4: Simplify right side
    89,151.68x = 6,011,642,631.88
  5. Step 5: Solve for x
    x = 6,011,642,631.88/89,151.68
  6. Step 6: Final answer
    x = 67,431.62

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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.