Home / 91,747.63-126,557.94-57,702.07

Finding the Fourth Proportional to 91,747.63, 126,557.94 and 57,702.07

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Solution

The fourth proportional to 91,747.63, 126,557.94 and 57,702.07 is: 79,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,747.63 : 126,557.94 = 57,702.07 : x
  2. Step 2: Convert to fraction form
    91,747.63/126,557.94 = 57,702.07/x
  3. Step 3: Cross multiply
    91,747.63x = 126,557.94 × 57,702.07
  4. Step 4: Simplify right side
    91,747.63x = 7,302,655,112.94
  5. Step 5: Solve for x
    x = 7,302,655,112.94/91,747.63
  6. Step 6: Final answer
    x = 79,595.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.