Home / 60,712.20-91,068.30-40,883.40

Finding the Fourth Proportional to 60,712.20, 91,068.30 and 40,883.40

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Solution

The fourth proportional to 60,712.20, 91,068.30 and 40,883.40 is: 61,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,712.20 : 91,068.30 = 40,883.40 : x
  2. Step 2: Convert to fraction form
    60,712.20/91,068.30 = 40,883.40/x
  3. Step 3: Cross multiply
    60,712.20x = 91,068.30 × 40,883.40
  4. Step 4: Simplify right side
    60,712.20x = 3,723,181,736.22
  5. Step 5: Solve for x
    x = 3,723,181,736.22/60,712.20
  6. Step 6: Final answer
    x = 61,325.10

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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.