Home / 105,111.26-157,573.12-38,535.85

Finding the Fourth Proportional to 105,111.26, 157,573.12 and 38,535.85

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Solution

The fourth proportional to 105,111.26, 157,573.12 and 38,535.85 is: 57,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,111.26 : 157,573.12 = 38,535.85 : x
  2. Step 2: Convert to fraction form
    105,111.26/157,573.12 = 38,535.85/x
  3. Step 3: Cross multiply
    105,111.26x = 157,573.12 × 38,535.85
  4. Step 4: Simplify right side
    105,111.26x = 6,072,214,116.35
  5. Step 5: Solve for x
    x = 6,072,214,116.35/105,111.26
  6. Step 6: Final answer
    x = 57,769.40

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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.