Home / 77,624.80-107,091.12-48,935.04

Finding the Fourth Proportional to 77,624.80, 107,091.12 and 48,935.04

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Solution

The fourth proportional to 77,624.80, 107,091.12 and 48,935.04 is: 67,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,624.80 : 107,091.12 = 48,935.04 : x
  2. Step 2: Convert to fraction form
    77,624.80/107,091.12 = 48,935.04/x
  3. Step 3: Cross multiply
    77,624.80x = 107,091.12 × 48,935.04
  4. Step 4: Simplify right side
    77,624.80x = 5,240,508,240.84
  5. Step 5: Solve for x
    x = 5,240,508,240.84/77,624.80
  6. Step 6: Final answer
    x = 67,510.75

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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.