Home / 99,313.18-137,049.33-56,296.65

Finding the Fourth Proportional to 99,313.18, 137,049.33 and 56,296.65

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Solution

The fourth proportional to 99,313.18, 137,049.33 and 56,296.65 is: 77,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,313.18 : 137,049.33 = 56,296.65 : x
  2. Step 2: Convert to fraction form
    99,313.18/137,049.33 = 56,296.65/x
  3. Step 3: Cross multiply
    99,313.18x = 137,049.33 × 56,296.65
  4. Step 4: Simplify right side
    99,313.18x = 7,715,417,664.30
  5. Step 5: Solve for x
    x = 7,715,417,664.30/99,313.18
  6. Step 6: Final answer
    x = 77,687.75

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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.