Home / 79,617.23-109,872.60-45,624.97

Finding the Fourth Proportional to 79,617.23, 109,872.60 and 45,624.97

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Solution

The fourth proportional to 79,617.23, 109,872.60 and 45,624.97 is: 62,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,617.23 : 109,872.60 = 45,624.97 : x
  2. Step 2: Convert to fraction form
    79,617.23/109,872.60 = 45,624.97/x
  3. Step 3: Cross multiply
    79,617.23x = 109,872.60 × 45,624.97
  4. Step 4: Simplify right side
    79,617.23x = 5,012,934,301.71
  5. Step 5: Solve for x
    x = 5,012,934,301.71/79,617.23
  6. Step 6: Final answer
    x = 62,962.93

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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.