Home / 83,620.30-125,430.45-55,578.10

Finding the Fourth Proportional to 83,620.30, 125,430.45 and 55,578.10

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Solution

The fourth proportional to 83,620.30, 125,430.45 and 55,578.10 is: 83,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,620.30 : 125,430.45 = 55,578.10 : x
  2. Step 2: Convert to fraction form
    83,620.30/125,430.45 = 55,578.10/x
  3. Step 3: Cross multiply
    83,620.30x = 125,430.45 × 55,578.10
  4. Step 4: Simplify right side
    83,620.30x = 6,971,186,093.15
  5. Step 5: Solve for x
    x = 6,971,186,093.15/83,620.30
  6. Step 6: Final answer
    x = 83,367.15

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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.