Home / 94,715.20-142,000.80-48,001.60

Finding the Fourth Proportional to 94,715.20, 142,000.80 and 48,001.60

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Solution

The fourth proportional to 94,715.20, 142,000.80 and 48,001.60 is: 71,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,715.20 : 142,000.80 = 48,001.60 : x
  2. Step 2: Convert to fraction form
    94,715.20/142,000.80 = 48,001.60/x
  3. Step 3: Cross multiply
    94,715.20x = 142,000.80 × 48,001.60
  4. Step 4: Simplify right side
    94,715.20x = 6,816,265,601.28
  5. Step 5: Solve for x
    x = 6,816,265,601.28/94,715.20
  6. Step 6: Final answer
    x = 71,965.91

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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.