Home / 103,343.16-154,884.66-55,956.36

Finding the Fourth Proportional to 103,343.16, 154,884.66 and 55,956.36

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Solution

The fourth proportional to 103,343.16, 154,884.66 and 55,956.36 is: 83,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,343.16 : 154,884.66 = 55,956.36 : x
  2. Step 2: Convert to fraction form
    103,343.16/154,884.66 = 55,956.36/x
  3. Step 3: Cross multiply
    103,343.16x = 154,884.66 × 55,956.36
  4. Step 4: Simplify right side
    103,343.16x = 8,666,781,793.44
  5. Step 5: Solve for x
    x = 8,666,781,793.44/103,343.16
  6. Step 6: Final answer
    x = 83,864.11

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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.