Home / 60,511.10-90,766.65-43,792.70

Finding the Fourth Proportional to 60,511.10, 90,766.65 and 43,792.70

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Solution

The fourth proportional to 60,511.10, 90,766.65 and 43,792.70 is: 65,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,511.10 : 90,766.65 = 43,792.70 : x
  2. Step 2: Convert to fraction form
    60,511.10/90,766.65 = 43,792.70/x
  3. Step 3: Cross multiply
    60,511.10x = 90,766.65 × 43,792.70
  4. Step 4: Simplify right side
    60,511.10x = 3,974,916,673.46
  5. Step 5: Solve for x
    x = 3,974,916,673.46/60,511.10
  6. Step 6: Final answer
    x = 65,689.05

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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.