Home / 66,916.52-92,344.68-38,622.18

Finding the Fourth Proportional to 66,916.52, 92,344.68 and 38,622.18

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Solution

The fourth proportional to 66,916.52, 92,344.68 and 38,622.18 is: 53,298.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,916.52 : 92,344.68 = 38,622.18 : x
  2. Step 2: Convert to fraction form
    66,916.52/92,344.68 = 38,622.18/x
  3. Step 3: Cross multiply
    66,916.52x = 92,344.68 × 38,622.18
  4. Step 4: Simplify right side
    66,916.52x = 3,566,552,853.00
  5. Step 5: Solve for x
    x = 3,566,552,853.00/66,916.52
  6. Step 6: Final answer
    x = 53,298.54

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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.