Home / 104,864.35-144,713.51-57,117.28

Finding the Fourth Proportional to 104,864.35, 144,713.51 and 57,117.28

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Solution

The fourth proportional to 104,864.35, 144,713.51 and 57,117.28 is: 78,822.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,864.35 : 144,713.51 = 57,117.28 : x
  2. Step 2: Convert to fraction form
    104,864.35/144,713.51 = 57,117.28/x
  3. Step 3: Cross multiply
    104,864.35x = 144,713.51 × 57,117.28
  4. Step 4: Simplify right side
    104,864.35x = 8,265,642,070.45
  5. Step 5: Solve for x
    x = 8,265,642,070.45/104,864.35
  6. Step 6: Final answer
    x = 78,822.23

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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.