Home / 83,646.12-115,431.84-45,922.80

Finding the Fourth Proportional to 83,646.12, 115,431.84 and 45,922.80

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Solution

The fourth proportional to 83,646.12, 115,431.84 and 45,922.80 is: 63,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,646.12 : 115,431.84 = 45,922.80 : x
  2. Step 2: Convert to fraction form
    83,646.12/115,431.84 = 45,922.80/x
  3. Step 3: Cross multiply
    83,646.12x = 115,431.84 × 45,922.80
  4. Step 4: Simplify right side
    83,646.12x = 5,300,953,301.95
  5. Step 5: Solve for x
    x = 5,300,953,301.95/83,646.12
  6. Step 6: Final answer
    x = 63,373.57

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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.