Home / 75,157.18-103,666.96-48,333.62

Finding the Fourth Proportional to 75,157.18, 103,666.96 and 48,333.62

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Solution

The fourth proportional to 75,157.18, 103,666.96 and 48,333.62 is: 66,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,157.18 : 103,666.96 = 48,333.62 : x
  2. Step 2: Convert to fraction form
    75,157.18/103,666.96 = 48,333.62/x
  3. Step 3: Cross multiply
    75,157.18x = 103,666.96 × 48,333.62
  4. Step 4: Simplify right side
    75,157.18x = 5,010,599,451.20
  5. Step 5: Solve for x
    x = 5,010,599,451.20/75,157.18
  6. Step 6: Final answer
    x = 66,668.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.