Home / 75,013.56-103,436.28-48,145.92

Finding the Fourth Proportional to 75,013.56, 103,436.28 and 48,145.92

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Solution

The fourth proportional to 75,013.56, 103,436.28 and 48,145.92 is: 66,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,013.56 : 103,436.28 = 48,145.92 : x
  2. Step 2: Convert to fraction form
    75,013.56/103,436.28 = 48,145.92/x
  3. Step 3: Cross multiply
    75,013.56x = 103,436.28 × 48,145.92
  4. Step 4: Simplify right side
    75,013.56x = 4,980,034,861.98
  5. Step 5: Solve for x
    x = 4,980,034,861.98/75,013.56
  6. Step 6: Final answer
    x = 66,388.46

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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.