Home / 86,873.34-130,329.15-49,451.04

Finding the Fourth Proportional to 86,873.34, 130,329.15 and 49,451.04

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Solution

The fourth proportional to 86,873.34, 130,329.15 and 49,451.04 is: 74,187.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,873.34 : 130,329.15 = 49,451.04 : x
  2. Step 2: Convert to fraction form
    86,873.34/130,329.15 = 49,451.04/x
  3. Step 3: Cross multiply
    86,873.34x = 130,329.15 × 49,451.04
  4. Step 4: Simplify right side
    86,873.34x = 6,444,912,009.82
  5. Step 5: Solve for x
    x = 6,444,912,009.82/86,873.34
  6. Step 6: Final answer
    x = 74,187.46

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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.