Home / 105,199.72-157,741.20-35,040.76

Finding the Fourth Proportional to 105,199.72, 157,741.20 and 35,040.76

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Solution

The fourth proportional to 105,199.72, 157,741.20 and 35,040.76 is: 52,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,199.72 : 157,741.20 = 35,040.76 : x
  2. Step 2: Convert to fraction form
    105,199.72/157,741.20 = 35,040.76/x
  3. Step 3: Cross multiply
    105,199.72x = 157,741.20 × 35,040.76
  4. Step 4: Simplify right side
    105,199.72x = 5,527,371,531.31
  5. Step 5: Solve for x
    x = 5,527,371,531.31/105,199.72
  6. Step 6: Final answer
    x = 52,541.69

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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.