Home / 49,319.07-73,978.60-45,776.13

Finding the Fourth Proportional to 49,319.07, 73,978.60 and 45,776.13

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Solution

The fourth proportional to 49,319.07, 73,978.60 and 45,776.13 is: 68,664.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,319.07 : 73,978.60 = 45,776.13 : x
  2. Step 2: Convert to fraction form
    49,319.07/73,978.60 = 45,776.13/x
  3. Step 3: Cross multiply
    49,319.07x = 73,978.60 × 45,776.13
  4. Step 4: Simplify right side
    49,319.07x = 3,386,454,010.82
  5. Step 5: Solve for x
    x = 3,386,454,010.82/49,319.07
  6. Step 6: Final answer
    x = 68,664.19

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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.