Home / 82,482.92-123,717.34-26,320.76

Finding the Fourth Proportional to 82,482.92, 123,717.34 and 26,320.76

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Solution

The fourth proportional to 82,482.92, 123,717.34 and 26,320.76 is: 39,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,482.92 : 123,717.34 = 26,320.76 : x
  2. Step 2: Convert to fraction form
    82,482.92/123,717.34 = 26,320.76/x
  3. Step 3: Cross multiply
    82,482.92x = 123,717.34 × 26,320.76
  4. Step 4: Simplify right side
    82,482.92x = 3,256,334,413.98
  5. Step 5: Solve for x
    x = 3,256,334,413.98/82,482.92
  6. Step 6: Final answer
    x = 39,478.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.