Home / 61,240.20-91,763.10-40,439.40

Finding the Fourth Proportional to 61,240.20, 91,763.10 and 40,439.40

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Solution

The fourth proportional to 61,240.20, 91,763.10 and 40,439.40 is: 60,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,240.20 : 91,763.10 = 40,439.40 : x
  2. Step 2: Convert to fraction form
    61,240.20/91,763.10 = 40,439.40/x
  3. Step 3: Cross multiply
    61,240.20x = 91,763.10 × 40,439.40
  4. Step 4: Simplify right side
    61,240.20x = 3,710,844,706.14
  5. Step 5: Solve for x
    x = 3,710,844,706.14/61,240.20
  6. Step 6: Final answer
    x = 60,594.91

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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.