Home / 86,687.16-130,048.92-49,264.56

Finding the Fourth Proportional to 86,687.16, 130,048.92 and 49,264.56

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Solution

The fourth proportional to 86,687.16, 130,048.92 and 49,264.56 is: 73,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,687.16 : 130,048.92 = 49,264.56 : x
  2. Step 2: Convert to fraction form
    86,687.16/130,048.92 = 49,264.56/x
  3. Step 3: Cross multiply
    86,687.16x = 130,048.92 × 49,264.56
  4. Step 4: Simplify right side
    86,687.16x = 6,406,802,822.28
  5. Step 5: Solve for x
    x = 6,406,802,822.28/86,687.16
  6. Step 6: Final answer
    x = 73,907.17

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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.