Home / 52,530.64-78,686.52-26,155.36

Finding the Fourth Proportional to 52,530.64, 78,686.52 and 26,155.36

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Solution

The fourth proportional to 52,530.64, 78,686.52 and 26,155.36 is: 39,178.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,530.64 : 78,686.52 = 26,155.36 : x
  2. Step 2: Convert to fraction form
    52,530.64/78,686.52 = 26,155.36/x
  3. Step 3: Cross multiply
    52,530.64x = 78,686.52 × 26,155.36
  4. Step 4: Simplify right side
    52,530.64x = 2,058,074,257.75
  5. Step 5: Solve for x
    x = 2,058,074,257.75/52,530.64
  6. Step 6: Final answer
    x = 39,178.55

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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.