Home / 97,724.33-134,866.10-54,707.65

Finding the Fourth Proportional to 97,724.33, 134,866.10 and 54,707.65

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Solution

The fourth proportional to 97,724.33, 134,866.10 and 54,707.65 is: 75,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,724.33 : 134,866.10 = 54,707.65 : x
  2. Step 2: Convert to fraction form
    97,724.33/134,866.10 = 54,707.65/x
  3. Step 3: Cross multiply
    97,724.33x = 134,866.10 × 54,707.65
  4. Step 4: Simplify right side
    97,724.33x = 7,378,207,395.67
  5. Step 5: Solve for x
    x = 7,378,207,395.67/97,724.33
  6. Step 6: Final answer
    x = 75,500.21

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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.