Home / 111,329.28-153,637.92-61,032.96

Finding the Fourth Proportional to 111,329.28, 153,637.92 and 61,032.96

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Solution

The fourth proportional to 111,329.28, 153,637.92 and 61,032.96 is: 84,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,329.28 : 153,637.92 = 61,032.96 : x
  2. Step 2: Convert to fraction form
    111,329.28/153,637.92 = 61,032.96/x
  3. Step 3: Cross multiply
    111,329.28x = 153,637.92 × 61,032.96
  4. Step 4: Simplify right side
    111,329.28x = 9,376,977,025.84
  5. Step 5: Solve for x
    x = 9,376,977,025.84/111,329.28
  6. Step 6: Final answer
    x = 84,227.41

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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.