Home / 99,837.33-149,714.40-40,632.81

Finding the Fourth Proportional to 99,837.33, 149,714.40 and 40,632.81

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Solution

The fourth proportional to 99,837.33, 149,714.40 and 40,632.81 is: 60,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,837.33 : 149,714.40 = 40,632.81 : x
  2. Step 2: Convert to fraction form
    99,837.33/149,714.40 = 40,632.81/x
  3. Step 3: Cross multiply
    99,837.33x = 149,714.40 × 40,632.81
  4. Step 4: Simplify right side
    99,837.33x = 6,083,316,769.46
  5. Step 5: Solve for x
    x = 6,083,316,769.46/99,837.33
  6. Step 6: Final answer
    x = 60,932.29

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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.