Home / 75,365.28-103,982.76-48,523.32

Finding the Fourth Proportional to 75,365.28, 103,982.76 and 48,523.32

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Solution

The fourth proportional to 75,365.28, 103,982.76 and 48,523.32 is: 66,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,365.28 : 103,982.76 = 48,523.32 : x
  2. Step 2: Convert to fraction form
    75,365.28/103,982.76 = 48,523.32/x
  3. Step 3: Cross multiply
    75,365.28x = 103,982.76 × 48,523.32
  4. Step 4: Simplify right side
    75,365.28x = 5,045,588,737.96
  5. Step 5: Solve for x
    x = 5,045,588,737.96/75,365.28
  6. Step 6: Final answer
    x = 66,948.45

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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.