Home / 86,881.65-130,333.21-30,710.17

Finding the Fourth Proportional to 86,881.65, 130,333.21 and 30,710.17

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Solution

The fourth proportional to 86,881.65, 130,333.21 and 30,710.17 is: 46,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,881.65 : 130,333.21 = 30,710.17 : x
  2. Step 2: Convert to fraction form
    86,881.65/130,333.21 = 30,710.17/x
  3. Step 3: Cross multiply
    86,881.65x = 130,333.21 × 30,710.17
  4. Step 4: Simplify right side
    86,881.65x = 4,002,555,035.75
  5. Step 5: Solve for x
    x = 4,002,555,035.75/86,881.65
  6. Step 6: Final answer
    x = 46,069.05

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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.