Home / 83,514.95-125,315.51-39,146.21

Finding the Fourth Proportional to 83,514.95, 125,315.51 and 39,146.21

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Solution

The fourth proportional to 83,514.95, 125,315.51 and 39,146.21 is: 58,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,514.95 : 125,315.51 = 39,146.21 : x
  2. Step 2: Convert to fraction form
    83,514.95/125,315.51 = 39,146.21/x
  3. Step 3: Cross multiply
    83,514.95x = 125,315.51 × 39,146.21
  4. Step 4: Simplify right side
    83,514.95x = 4,905,626,448.41
  5. Step 5: Solve for x
    x = 4,905,626,448.41/83,514.95
  6. Step 6: Final answer
    x = 58,739.50

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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.