Home / 83,685.30-115,486.14-45,444.90

Finding the Fourth Proportional to 83,685.30, 115,486.14 and 45,444.90

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Solution

The fourth proportional to 83,685.30, 115,486.14 and 45,444.90 is: 62,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,685.30 : 115,486.14 = 45,444.90 : x
  2. Step 2: Convert to fraction form
    83,685.30/115,486.14 = 45,444.90/x
  3. Step 3: Cross multiply
    83,685.30x = 115,486.14 × 45,444.90
  4. Step 4: Simplify right side
    83,685.30x = 5,248,256,083.69
  5. Step 5: Solve for x
    x = 5,248,256,083.69/83,685.30
  6. Step 6: Final answer
    x = 62,714.19

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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.