Home / 81,023.10-111,766.95-47,482.62

Finding the Fourth Proportional to 81,023.10, 111,766.95 and 47,482.62

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Solution

The fourth proportional to 81,023.10, 111,766.95 and 47,482.62 is: 65,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,023.10 : 111,766.95 = 47,482.62 : x
  2. Step 2: Convert to fraction form
    81,023.10/111,766.95 = 47,482.62/x
  3. Step 3: Cross multiply
    81,023.10x = 111,766.95 × 47,482.62
  4. Step 4: Simplify right side
    81,023.10x = 5,306,987,615.41
  5. Step 5: Solve for x
    x = 5,306,987,615.41/81,023.10
  6. Step 6: Final answer
    x = 65,499.69

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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.