Home / 81,587.07-122,417.33-44,103.26

Finding the Fourth Proportional to 81,587.07, 122,417.33 and 44,103.26

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Solution

The fourth proportional to 81,587.07, 122,417.33 and 44,103.26 is: 66,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,587.07 : 122,417.33 = 44,103.26 : x
  2. Step 2: Convert to fraction form
    81,587.07/122,417.33 = 44,103.26/x
  3. Step 3: Cross multiply
    81,587.07x = 122,417.33 × 44,103.26
  4. Step 4: Simplify right side
    81,587.07x = 5,399,003,333.50
  5. Step 5: Solve for x
    x = 5,399,003,333.50/81,587.07
  6. Step 6: Final answer
    x = 66,174.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.