Home / 48,615.10-72,922.65-40,839.10

Finding the Fourth Proportional to 48,615.10, 72,922.65 and 40,839.10

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Solution

The fourth proportional to 48,615.10, 72,922.65 and 40,839.10 is: 61,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,615.10 : 72,922.65 = 40,839.10 : x
  2. Step 2: Convert to fraction form
    48,615.10/72,922.65 = 40,839.10/x
  3. Step 3: Cross multiply
    48,615.10x = 72,922.65 × 40,839.10
  4. Step 4: Simplify right side
    48,615.10x = 2,978,095,395.62
  5. Step 5: Solve for x
    x = 2,978,095,395.62/48,615.10
  6. Step 6: Final answer
    x = 61,258.65

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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.