Home / 87,903.73-121,307.44-47,617.37

Finding the Fourth Proportional to 87,903.73, 121,307.44 and 47,617.37

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Solution

The fourth proportional to 87,903.73, 121,307.44 and 47,617.37 is: 65,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,903.73 : 121,307.44 = 47,617.37 : x
  2. Step 2: Convert to fraction form
    87,903.73/121,307.44 = 47,617.37/x
  3. Step 3: Cross multiply
    87,903.73x = 121,307.44 × 47,617.37
  4. Step 4: Simplify right side
    87,903.73x = 5,776,340,647.70
  5. Step 5: Solve for x
    x = 5,776,340,647.70/87,903.73
  6. Step 6: Final answer
    x = 65,712.13

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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.