Home / 52,418.40-78,488.16-35,810.88

Finding the Fourth Proportional to 52,418.40, 78,488.16 and 35,810.88

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Solution

The fourth proportional to 52,418.40, 78,488.16 and 35,810.88 is: 53,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,418.40 : 78,488.16 = 35,810.88 : x
  2. Step 2: Convert to fraction form
    52,418.40/78,488.16 = 35,810.88/x
  3. Step 3: Cross multiply
    52,418.40x = 78,488.16 × 35,810.88
  4. Step 4: Simplify right side
    52,418.40x = 2,810,730,079.18
  5. Step 5: Solve for x
    x = 2,810,730,079.18/52,418.40
  6. Step 6: Final answer
    x = 53,621.06

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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.