Home / 86,860.33-130,312.96-50,867.18

Finding the Fourth Proportional to 86,860.33, 130,312.96 and 50,867.18

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Solution

The fourth proportional to 86,860.33, 130,312.96 and 50,867.18 is: 76,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,860.33 : 130,312.96 = 50,867.18 : x
  2. Step 2: Convert to fraction form
    86,860.33/130,312.96 = 50,867.18/x
  3. Step 3: Cross multiply
    86,860.33x = 130,312.96 × 50,867.18
  4. Step 4: Simplify right side
    86,860.33x = 6,628,652,792.65
  5. Step 5: Solve for x
    x = 6,628,652,792.65/86,860.33
  6. Step 6: Final answer
    x = 76,313.93

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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.