Home / 86,965.60-130,395.09-37,017.25

Finding the Fourth Proportional to 86,965.60, 130,395.09 and 37,017.25

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Solution

The fourth proportional to 86,965.60, 130,395.09 and 37,017.25 is: 55,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,965.60 : 130,395.09 = 37,017.25 : x
  2. Step 2: Convert to fraction form
    86,965.60/130,395.09 = 37,017.25/x
  3. Step 3: Cross multiply
    86,965.60x = 130,395.09 × 37,017.25
  4. Step 4: Simplify right side
    86,965.60x = 4,826,867,645.30
  5. Step 5: Solve for x
    x = 4,826,867,645.30/86,965.60
  6. Step 6: Final answer
    x = 55,503.18

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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.