Home / 106,908.17-147,532.65-61,569.23

Finding the Fourth Proportional to 106,908.17, 147,532.65 and 61,569.23

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Solution

The fourth proportional to 106,908.17, 147,532.65 and 61,569.23 is: 84,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,908.17 : 147,532.65 = 61,569.23 : x
  2. Step 2: Convert to fraction form
    106,908.17/147,532.65 = 61,569.23/x
  3. Step 3: Cross multiply
    106,908.17x = 147,532.65 × 61,569.23
  4. Step 4: Simplify right side
    106,908.17x = 9,083,471,798.31
  5. Step 5: Solve for x
    x = 9,083,471,798.31/106,908.17
  6. Step 6: Final answer
    x = 84,965.18

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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.