Home / 94,690.60-142,002.30-42,005.80

Finding the Fourth Proportional to 94,690.60, 142,002.30 and 42,005.80

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Solution

The fourth proportional to 94,690.60, 142,002.30 and 42,005.80 is: 62,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,690.60 : 142,002.30 = 42,005.80 : x
  2. Step 2: Convert to fraction form
    94,690.60/142,002.30 = 42,005.80/x
  3. Step 3: Cross multiply
    94,690.60x = 142,002.30 × 42,005.80
  4. Step 4: Simplify right side
    94,690.60x = 5,964,920,213.34
  5. Step 5: Solve for x
    x = 5,964,920,213.34/94,690.60
  6. Step 6: Final answer
    x = 62,993.79

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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.