Home / 111,032.40-153,226.26-62,636.57

Finding the Fourth Proportional to 111,032.40, 153,226.26 and 62,636.57

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Solution

The fourth proportional to 111,032.40, 153,226.26 and 62,636.57 is: 86,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,032.40 : 153,226.26 = 62,636.57 : x
  2. Step 2: Convert to fraction form
    111,032.40/153,226.26 = 62,636.57/x
  3. Step 3: Cross multiply
    111,032.40x = 153,226.26 × 62,636.57
  4. Step 4: Simplify right side
    111,032.40x = 9,597,566,359.31
  5. Step 5: Solve for x
    x = 9,597,566,359.31/111,032.40
  6. Step 6: Final answer
    x = 86,439.33

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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.