Home / 79,968.08-119,943.66-42,488.48

Finding the Fourth Proportional to 79,968.08, 119,943.66 and 42,488.48

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Solution

The fourth proportional to 79,968.08, 119,943.66 and 42,488.48 is: 63,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,968.08 : 119,943.66 = 42,488.48 : x
  2. Step 2: Convert to fraction form
    79,968.08/119,943.66 = 42,488.48/x
  3. Step 3: Cross multiply
    79,968.08x = 119,943.66 × 42,488.48
  4. Step 4: Simplify right side
    79,968.08x = 5,096,223,799.04
  5. Step 5: Solve for x
    x = 5,096,223,799.04/79,968.08
  6. Step 6: Final answer
    x = 63,728.23

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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.