Home / 99,186.44-136,875.33-56,162.66

Finding the Fourth Proportional to 99,186.44, 136,875.33 and 56,162.66

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Solution

The fourth proportional to 99,186.44, 136,875.33 and 56,162.66 is: 77,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,186.44 : 136,875.33 = 56,162.66 : x
  2. Step 2: Convert to fraction form
    99,186.44/136,875.33 = 56,162.66/x
  3. Step 3: Cross multiply
    99,186.44x = 136,875.33 × 56,162.66
  4. Step 4: Simplify right side
    99,186.44x = 7,687,281,936.80
  5. Step 5: Solve for x
    x = 7,687,281,936.80/99,186.44
  6. Step 6: Final answer
    x = 77,503.36

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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.