Home / 62,422.06-86,143.26-34,127.78

Finding the Fourth Proportional to 62,422.06, 86,143.26 and 34,127.78

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Solution

The fourth proportional to 62,422.06, 86,143.26 and 34,127.78 is: 47,096.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,422.06 : 86,143.26 = 34,127.78 : x
  2. Step 2: Convert to fraction form
    62,422.06/86,143.26 = 34,127.78/x
  3. Step 3: Cross multiply
    62,422.06x = 86,143.26 × 34,127.78
  4. Step 4: Simplify right side
    62,422.06x = 2,939,878,225.76
  5. Step 5: Solve for x
    x = 2,939,878,225.76/62,422.06
  6. Step 6: Final answer
    x = 47,096.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.