Home / 70,112.04-96,753.24-38,280.12

Finding the Fourth Proportional to 70,112.04, 96,753.24 and 38,280.12

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Solution

The fourth proportional to 70,112.04, 96,753.24 and 38,280.12 is: 52,825.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,112.04 : 96,753.24 = 38,280.12 : x
  2. Step 2: Convert to fraction form
    70,112.04/96,753.24 = 38,280.12/x
  3. Step 3: Cross multiply
    70,112.04x = 96,753.24 × 38,280.12
  4. Step 4: Simplify right side
    70,112.04x = 3,703,725,637.59
  5. Step 5: Solve for x
    x = 3,703,725,637.59/70,112.04
  6. Step 6: Final answer
    x = 52,825.81

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Double scale
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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.