Home / 66,085.92-99,116.19-18,700.62

Finding the Fourth Proportional to 66,085.92, 99,116.19 and 18,700.62

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Solution

The fourth proportional to 66,085.92, 99,116.19 and 18,700.62 is: 28,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,085.92 : 99,116.19 = 18,700.62 : x
  2. Step 2: Convert to fraction form
    66,085.92/99,116.19 = 18,700.62/x
  3. Step 3: Cross multiply
    66,085.92x = 99,116.19 × 18,700.62
  4. Step 4: Simplify right side
    66,085.92x = 1,853,534,205.04
  5. Step 5: Solve for x
    x = 1,853,534,205.04/66,085.92
  6. Step 6: Final answer
    x = 28,047.34

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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.