Home / 83,050.40-124,575.60-72,682.40

Finding the Fourth Proportional to 83,050.40, 124,575.60 and 72,682.40

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Solution

The fourth proportional to 83,050.40, 124,575.60 and 72,682.40 is: 109,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,050.40 : 124,575.60 = 72,682.40 : x
  2. Step 2: Convert to fraction form
    83,050.40/124,575.60 = 72,682.40/x
  3. Step 3: Cross multiply
    83,050.40x = 124,575.60 × 72,682.40
  4. Step 4: Simplify right side
    83,050.40x = 9,054,453,589.44
  5. Step 5: Solve for x
    x = 9,054,453,589.44/83,050.40
  6. Step 6: Final answer
    x = 109,023.60

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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.