Home / 113,422.40-170,159.42-34,542.78

Finding the Fourth Proportional to 113,422.40, 170,159.42 and 34,542.78

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Solution

The fourth proportional to 113,422.40, 170,159.42 and 34,542.78 is: 51,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,422.40 : 170,159.42 = 34,542.78 : x
  2. Step 2: Convert to fraction form
    113,422.40/170,159.42 = 34,542.78/x
  3. Step 3: Cross multiply
    113,422.40x = 170,159.42 × 34,542.78
  4. Step 4: Simplify right side
    113,422.40x = 5,877,779,409.99
  5. Step 5: Solve for x
    x = 5,877,779,409.99/113,422.40
  6. Step 6: Final answer
    x = 51,822.03

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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.