Home / 86,917.04-130,275.72-36,923.12

Finding the Fourth Proportional to 86,917.04, 130,275.72 and 36,923.12

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Solution

The fourth proportional to 86,917.04, 130,275.72 and 36,923.12 is: 55,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,917.04 : 130,275.72 = 36,923.12 : x
  2. Step 2: Convert to fraction form
    86,917.04/130,275.72 = 36,923.12/x
  3. Step 3: Cross multiply
    86,917.04x = 130,275.72 × 36,923.12
  4. Step 4: Simplify right side
    86,917.04x = 4,810,186,042.65
  5. Step 5: Solve for x
    x = 4,810,186,042.65/86,917.04
  6. Step 6: Final answer
    x = 55,342.27

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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.