Home / 75,302.96-103,987.20-48,492.56

Finding the Fourth Proportional to 75,302.96, 103,987.20 and 48,492.56

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Solution

The fourth proportional to 75,302.96, 103,987.20 and 48,492.56 is: 66,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,302.96 : 103,987.20 = 48,492.56 : x
  2. Step 2: Convert to fraction form
    75,302.96/103,987.20 = 48,492.56/x
  3. Step 3: Cross multiply
    75,302.96x = 103,987.20 × 48,492.56
  4. Step 4: Simplify right side
    75,302.96x = 5,042,605,535.23
  5. Step 5: Solve for x
    x = 5,042,605,535.23/75,302.96
  6. Step 6: Final answer
    x = 66,964.24

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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.