Home / 45,983.28-69,062.38-28,574.76

Finding the Fourth Proportional to 45,983.28, 69,062.38 and 28,574.76

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Solution

The fourth proportional to 45,983.28, 69,062.38 and 28,574.76 is: 42,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,983.28 : 69,062.38 = 28,574.76 : x
  2. Step 2: Convert to fraction form
    45,983.28/69,062.38 = 28,574.76/x
  3. Step 3: Cross multiply
    45,983.28x = 69,062.38 × 28,574.76
  4. Step 4: Simplify right side
    45,983.28x = 1,973,440,933.53
  5. Step 5: Solve for x
    x = 1,973,440,933.53/45,983.28
  6. Step 6: Final answer
    x = 42,916.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.