Home / 69,943.04-96,520.18-38,112.20

Finding the Fourth Proportional to 69,943.04, 96,520.18 and 38,112.20

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Solution

The fourth proportional to 69,943.04, 96,520.18 and 38,112.20 is: 52,594.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,943.04 : 96,520.18 = 38,112.20 : x
  2. Step 2: Convert to fraction form
    69,943.04/96,520.18 = 38,112.20/x
  3. Step 3: Cross multiply
    69,943.04x = 96,520.18 × 38,112.20
  4. Step 4: Simplify right side
    69,943.04x = 3,678,596,404.20
  5. Step 5: Solve for x
    x = 3,678,596,404.20/69,943.04
  6. Step 6: Final answer
    x = 52,594.17

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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.