Home / 75,082.32-103,493.40-50,875.92

Finding the Fourth Proportional to 75,082.32, 103,493.40 and 50,875.92

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Solution

The fourth proportional to 75,082.32, 103,493.40 and 50,875.92 is: 70,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082.32 : 103,493.40 = 50,875.92 : x
  2. Step 2: Convert to fraction form
    75,082.32/103,493.40 = 50,875.92/x
  3. Step 3: Cross multiply
    75,082.32x = 103,493.40 × 50,875.92
  4. Step 4: Simplify right side
    75,082.32x = 5,265,321,938.93
  5. Step 5: Solve for x
    x = 5,265,321,938.93/75,082.32
  6. Step 6: Final answer
    x = 70,127.32

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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.