Home / 82,057.55-113,129.75-61,552.45

Finding the Fourth Proportional to 82,057.55, 113,129.75 and 61,552.45

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Solution

The fourth proportional to 82,057.55, 113,129.75 and 61,552.45 is: 84,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,057.55 : 113,129.75 = 61,552.45 : x
  2. Step 2: Convert to fraction form
    82,057.55/113,129.75 = 61,552.45/x
  3. Step 3: Cross multiply
    82,057.55x = 113,129.75 × 61,552.45
  4. Step 4: Simplify right side
    82,057.55x = 6,963,413,229.45
  5. Step 5: Solve for x
    x = 6,963,413,229.45/82,057.55
  6. Step 6: Final answer
    x = 84,860.12

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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.