Home / 104,947.16-157,378.98-38,372.12

Finding the Fourth Proportional to 104,947.16, 157,378.98 and 38,372.12

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Solution

The fourth proportional to 104,947.16, 157,378.98 and 38,372.12 is: 57,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,947.16 : 157,378.98 = 38,372.12 : x
  2. Step 2: Convert to fraction form
    104,947.16/157,378.98 = 38,372.12/x
  3. Step 3: Cross multiply
    104,947.16x = 157,378.98 × 38,372.12
  4. Step 4: Simplify right side
    104,947.16x = 6,038,965,106.04
  5. Step 5: Solve for x
    x = 6,038,965,106.04/104,947.16
  6. Step 6: Final answer
    x = 57,542.91

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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.