Home / 83,444.09-115,152.10-45,202.77

Finding the Fourth Proportional to 83,444.09, 115,152.10 and 45,202.77

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Solution

The fourth proportional to 83,444.09, 115,152.10 and 45,202.77 is: 62,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,444.09 : 115,152.10 = 45,202.77 : x
  2. Step 2: Convert to fraction form
    83,444.09/115,152.10 = 45,202.77/x
  3. Step 3: Cross multiply
    83,444.09x = 115,152.10 × 45,202.77
  4. Step 4: Simplify right side
    83,444.09x = 5,205,193,778.31
  5. Step 5: Solve for x
    x = 5,205,193,778.31/83,444.09
  6. Step 6: Final answer
    x = 62,379.42

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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.