Home / 105,045.09-157,493.85-38,476.59

Finding the Fourth Proportional to 105,045.09, 157,493.85 and 38,476.59

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Solution

The fourth proportional to 105,045.09, 157,493.85 and 38,476.59 is: 57,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,045.09 : 157,493.85 = 38,476.59 : x
  2. Step 2: Convert to fraction form
    105,045.09/157,493.85 = 38,476.59/x
  3. Step 3: Cross multiply
    105,045.09x = 157,493.85 × 38,476.59
  4. Step 4: Simplify right side
    105,045.09x = 6,059,826,293.97
  5. Step 5: Solve for x
    x = 6,059,826,293.97/105,045.09
  6. Step 6: Final answer
    x = 57,687.86

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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.