Home / 51,870.15-77,680.49-29,616.08

Finding the Fourth Proportional to 51,870.15, 77,680.49 and 29,616.08

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Solution

The fourth proportional to 51,870.15, 77,680.49 and 29,616.08 is: 44,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,870.15 : 77,680.49 = 29,616.08 : x
  2. Step 2: Convert to fraction form
    51,870.15/77,680.49 = 29,616.08/x
  3. Step 3: Cross multiply
    51,870.15x = 77,680.49 × 29,616.08
  4. Step 4: Simplify right side
    51,870.15x = 2,300,591,291.92
  5. Step 5: Solve for x
    x = 2,300,591,291.92/51,870.15
  6. Step 6: Final answer
    x = 44,352.89

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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.