Home / 66,162.89-99,244.19-28,718.11

Finding the Fourth Proportional to 66,162.89, 99,244.19 and 28,718.11

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Solution

The fourth proportional to 66,162.89, 99,244.19 and 28,718.11 is: 43,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,162.89 : 99,244.19 = 28,718.11 : x
  2. Step 2: Convert to fraction form
    66,162.89/99,244.19 = 28,718.11/x
  3. Step 3: Cross multiply
    66,162.89x = 99,244.19 × 28,718.11
  4. Step 4: Simplify right side
    66,162.89x = 2,850,105,599.59
  5. Step 5: Solve for x
    x = 2,850,105,599.59/66,162.89
  6. Step 6: Final answer
    x = 43,077.10

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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.