Home / 113,948.90-170,953.04-66,604.39

Finding the Fourth Proportional to 113,948.90, 170,953.04 and 66,604.39

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Solution

The fourth proportional to 113,948.90, 170,953.04 and 66,604.39 is: 99,923.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,948.90 : 170,953.04 = 66,604.39 : x
  2. Step 2: Convert to fraction form
    113,948.90/170,953.04 = 66,604.39/x
  3. Step 3: Cross multiply
    113,948.90x = 170,953.04 × 66,604.39
  4. Step 4: Simplify right side
    113,948.90x = 11,386,222,686.97
  5. Step 5: Solve for x
    x = 11,386,222,686.97/113,948.90
  6. Step 6: Final answer
    x = 99,923.94

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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.