Home / 113,835.20-170,752.80-61,347.20

Finding the Fourth Proportional to 113,835.20, 170,752.80 and 61,347.20

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Solution

The fourth proportional to 113,835.20, 170,752.80 and 61,347.20 is: 92,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,835.20 : 170,752.80 = 61,347.20 : x
  2. Step 2: Convert to fraction form
    113,835.20/170,752.80 = 61,347.20/x
  3. Step 3: Cross multiply
    113,835.20x = 170,752.80 × 61,347.20
  4. Step 4: Simplify right side
    113,835.20x = 10,475,206,172.16
  5. Step 5: Solve for x
    x = 10,475,206,172.16/113,835.20
  6. Step 6: Final answer
    x = 92,020.80

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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.