Home / 105,040.92-157,661.82-38,545.32

Finding the Fourth Proportional to 105,040.92, 157,661.82 and 38,545.32

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Solution

The fourth proportional to 105,040.92, 157,661.82 and 38,545.32 is: 57,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,040.92 : 157,661.82 = 38,545.32 : x
  2. Step 2: Convert to fraction form
    105,040.92/157,661.82 = 38,545.32/x
  3. Step 3: Cross multiply
    105,040.92x = 157,661.82 × 38,545.32
  4. Step 4: Simplify right side
    105,040.92x = 6,077,125,303.68
  5. Step 5: Solve for x
    x = 6,077,125,303.68/105,040.92
  6. Step 6: Final answer
    x = 57,854.84

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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.