Home / 83,669.76-115,464.96-45,948.16

Finding the Fourth Proportional to 83,669.76, 115,464.96 and 45,948.16

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Solution

The fourth proportional to 83,669.76, 115,464.96 and 45,948.16 is: 63,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669.76 : 115,464.96 = 45,948.16 : x
  2. Step 2: Convert to fraction form
    83,669.76/115,464.96 = 45,948.16/x
  3. Step 3: Cross multiply
    83,669.76x = 115,464.96 × 45,948.16
  4. Step 4: Simplify right side
    83,669.76x = 5,305,402,456.47
  5. Step 5: Solve for x
    x = 5,305,402,456.47/83,669.76
  6. Step 6: Final answer
    x = 63,408.84

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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.