Home / 109,868.64-164,802.92-39,731.56

Finding the Fourth Proportional to 109,868.64, 164,802.92 and 39,731.56

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Solution

The fourth proportional to 109,868.64, 164,802.92 and 39,731.56 is: 59,597.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,868.64 : 164,802.92 = 39,731.56 : x
  2. Step 2: Convert to fraction form
    109,868.64/164,802.92 = 39,731.56/x
  3. Step 3: Cross multiply
    109,868.64x = 164,802.92 × 39,731.56
  4. Step 4: Simplify right side
    109,868.64x = 6,547,877,104.16
  5. Step 5: Solve for x
    x = 6,547,877,104.16/109,868.64
  6. Step 6: Final answer
    x = 59,597.33

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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.