Home / 86,270.14-129,312.46-41,798.71

Finding the Fourth Proportional to 86,270.14, 129,312.46 and 41,798.71

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Solution

The fourth proportional to 86,270.14, 129,312.46 and 41,798.71 is: 62,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,270.14 : 129,312.46 = 41,798.71 : x
  2. Step 2: Convert to fraction form
    86,270.14/129,312.46 = 41,798.71/x
  3. Step 3: Cross multiply
    86,270.14x = 129,312.46 × 41,798.71
  4. Step 4: Simplify right side
    86,270.14x = 5,405,094,014.93
  5. Step 5: Solve for x
    x = 5,405,094,014.93/86,270.14
  6. Step 6: Final answer
    x = 62,653.13

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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.