Home / 86,744.28-130,027.80-49,225.11

Finding the Fourth Proportional to 86,744.28, 130,027.80 and 49,225.11

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Solution

The fourth proportional to 86,744.28, 130,027.80 and 49,225.11 is: 73,787.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,744.28 : 130,027.80 = 49,225.11 : x
  2. Step 2: Convert to fraction form
    86,744.28/130,027.80 = 49,225.11/x
  3. Step 3: Cross multiply
    86,744.28x = 130,027.80 × 49,225.11
  4. Step 4: Simplify right side
    86,744.28x = 6,400,632,758.06
  5. Step 5: Solve for x
    x = 6,400,632,758.06/86,744.28
  6. Step 6: Final answer
    x = 73,787.38

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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.