Home / 66,069.46-99,119.32-28,635.80

Finding the Fourth Proportional to 66,069.46, 99,119.32 and 28,635.80

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Solution

The fourth proportional to 66,069.46, 99,119.32 and 28,635.80 is: 42,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,069.46 : 99,119.32 = 28,635.80 : x
  2. Step 2: Convert to fraction form
    66,069.46/99,119.32 = 28,635.80/x
  3. Step 3: Cross multiply
    66,069.46x = 99,119.32 × 28,635.80
  4. Step 4: Simplify right side
    66,069.46x = 2,838,361,023.66
  5. Step 5: Solve for x
    x = 2,838,361,023.66/66,069.46
  6. Step 6: Final answer
    x = 42,960.26

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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.