Home / 70,553.43-97,280.60-57,083.13

Finding the Fourth Proportional to 70,553.43, 97,280.60 and 57,083.13

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Solution

The fourth proportional to 70,553.43, 97,280.60 and 57,083.13 is: 78,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,553.43 : 97,280.60 = 57,083.13 : x
  2. Step 2: Convert to fraction form
    70,553.43/97,280.60 = 57,083.13/x
  3. Step 3: Cross multiply
    70,553.43x = 97,280.60 × 57,083.13
  4. Step 4: Simplify right side
    70,553.43x = 5,553,080,850.86
  5. Step 5: Solve for x
    x = 5,553,080,850.86/70,553.43
  6. Step 6: Final answer
    x = 78,707.45

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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.