Home / 55,965.20-83,970.07-26,385.08

Finding the Fourth Proportional to 55,965.20, 83,970.07 and 26,385.08

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Solution

The fourth proportional to 55,965.20, 83,970.07 and 26,385.08 is: 39,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,965.20 : 83,970.07 = 26,385.08 : x
  2. Step 2: Convert to fraction form
    55,965.20/83,970.07 = 26,385.08/x
  3. Step 3: Cross multiply
    55,965.20x = 83,970.07 × 26,385.08
  4. Step 4: Simplify right side
    55,965.20x = 2,215,556,528.74
  5. Step 5: Solve for x
    x = 2,215,556,528.74/55,965.20
  6. Step 6: Final answer
    x = 39,588.11

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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.