Home / 105,049.58-157,574.38-38,462.72

Finding the Fourth Proportional to 105,049.58, 157,574.38 and 38,462.72

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Solution

The fourth proportional to 105,049.58, 157,574.38 and 38,462.72 is: 57,694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,049.58 : 157,574.38 = 38,462.72 : x
  2. Step 2: Convert to fraction form
    105,049.58/157,574.38 = 38,462.72/x
  3. Step 3: Cross multiply
    105,049.58x = 157,574.38 × 38,462.72
  4. Step 4: Simplify right side
    105,049.58x = 6,060,739,257.11
  5. Step 5: Solve for x
    x = 6,060,739,257.11/105,049.58
  6. Step 6: Final answer
    x = 57,694.08

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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.