Home / 52,426.64-78,660.84-19,148.96

Finding the Fourth Proportional to 52,426.64, 78,660.84 and 19,148.96

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Solution

The fourth proportional to 52,426.64, 78,660.84 and 19,148.96 is: 28,731.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,426.64 : 78,660.84 = 19,148.96 : x
  2. Step 2: Convert to fraction form
    52,426.64/78,660.84 = 19,148.96/x
  3. Step 3: Cross multiply
    52,426.64x = 78,660.84 × 19,148.96
  4. Step 4: Simplify right side
    52,426.64x = 1,506,273,278.73
  5. Step 5: Solve for x
    x = 1,506,273,278.73/52,426.64
  6. Step 6: Final answer
    x = 28,731.07

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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.