Home / 50,592.80-75,812.40-42,759.20

Finding the Fourth Proportional to 50,592.80, 75,812.40 and 42,759.20

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Solution

The fourth proportional to 50,592.80, 75,812.40 and 42,759.20 is: 64,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,592.80 : 75,812.40 = 42,759.20 : x
  2. Step 2: Convert to fraction form
    50,592.80/75,812.40 = 42,759.20/x
  3. Step 3: Cross multiply
    50,592.80x = 75,812.40 × 42,759.20
  4. Step 4: Simplify right side
    50,592.80x = 3,241,677,574.08
  5. Step 5: Solve for x
    x = 3,241,677,574.08/50,592.80
  6. Step 6: Final answer
    x = 64,073.89

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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.