Home / 52,579.88-78,870.51-15,140.57

Finding the Fourth Proportional to 52,579.88, 78,870.51 and 15,140.57

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Solution

The fourth proportional to 52,579.88, 78,870.51 and 15,140.57 is: 22,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,579.88 : 78,870.51 = 15,140.57 : x
  2. Step 2: Convert to fraction form
    52,579.88/78,870.51 = 15,140.57/x
  3. Step 3: Cross multiply
    52,579.88x = 78,870.51 × 15,140.57
  4. Step 4: Simplify right side
    52,579.88x = 1,194,144,526.88
  5. Step 5: Solve for x
    x = 1,194,144,526.88/52,579.88
  6. Step 6: Final answer
    x = 22,711.05

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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.