Home / 113,778.18-157,010.99-62,790.27

Finding the Fourth Proportional to 113,778.18, 157,010.99 and 62,790.27

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Solution

The fourth proportional to 113,778.18, 157,010.99 and 62,790.27 is: 86,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,778.18 : 157,010.99 = 62,790.27 : x
  2. Step 2: Convert to fraction form
    113,778.18/157,010.99 = 62,790.27/x
  3. Step 3: Cross multiply
    113,778.18x = 157,010.99 × 62,790.27
  4. Step 4: Simplify right side
    113,778.18x = 9,858,762,141.12
  5. Step 5: Solve for x
    x = 9,858,762,141.12/113,778.18
  6. Step 6: Final answer
    x = 86,648.97

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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.