Home / 98,744.39-136,263.89-56,316.59

Finding the Fourth Proportional to 98,744.39, 136,263.89 and 56,316.59

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Solution

The fourth proportional to 98,744.39, 136,263.89 and 56,316.59 is: 77,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,744.39 : 136,263.89 = 56,316.59 : x
  2. Step 2: Convert to fraction form
    98,744.39/136,263.89 = 56,316.59/x
  3. Step 3: Cross multiply
    98,744.39x = 136,263.89 × 56,316.59
  4. Step 4: Simplify right side
    98,744.39x = 7,673,917,278.62
  5. Step 5: Solve for x
    x = 7,673,917,278.62/98,744.39
  6. Step 6: Final answer
    x = 77,714.97

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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.