Home / 83,729.40-125,557.65-27,547.80

Finding the Fourth Proportional to 83,729.40, 125,557.65 and 27,547.80

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Solution

The fourth proportional to 83,729.40, 125,557.65 and 27,547.80 is: 41,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,729.40 : 125,557.65 = 27,547.80 : x
  2. Step 2: Convert to fraction form
    83,729.40/125,557.65 = 27,547.80/x
  3. Step 3: Cross multiply
    83,729.40x = 125,557.65 × 27,547.80
  4. Step 4: Simplify right side
    83,729.40x = 3,458,837,030.67
  5. Step 5: Solve for x
    x = 3,458,837,030.67/83,729.40
  6. Step 6: Final answer
    x = 41,309.71

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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.