Home / 91,625.54-126,434.60-62,970.38

Finding the Fourth Proportional to 91,625.54, 126,434.60 and 62,970.38

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Solution

The fourth proportional to 91,625.54, 126,434.60 and 62,970.38 is: 86,893.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,625.54 : 126,434.60 = 62,970.38 : x
  2. Step 2: Convert to fraction form
    91,625.54/126,434.60 = 62,970.38/x
  3. Step 3: Cross multiply
    91,625.54x = 126,434.60 × 62,970.38
  4. Step 4: Simplify right side
    91,625.54x = 7,961,634,174.98
  5. Step 5: Solve for x
    x = 7,961,634,174.98/91,625.54
  6. Step 6: Final answer
    x = 86,893.18

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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.