Home / 61,520.10-92,280.15-61,131.30

Finding the Fourth Proportional to 61,520.10, 92,280.15 and 61,131.30

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Solution

The fourth proportional to 61,520.10, 92,280.15 and 61,131.30 is: 91,696.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,520.10 : 92,280.15 = 61,131.30 : x
  2. Step 2: Convert to fraction form
    61,520.10/92,280.15 = 61,131.30/x
  3. Step 3: Cross multiply
    61,520.10x = 92,280.15 × 61,131.30
  4. Step 4: Simplify right side
    61,520.10x = 5,641,205,533.70
  5. Step 5: Solve for x
    x = 5,641,205,533.70/61,520.10
  6. Step 6: Final answer
    x = 91,696.95

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Double scale
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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.