Home / 72,677.14-100,325.21-68,137.29

Finding the Fourth Proportional to 72,677.14, 100,325.21 and 68,137.29

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Solution

The fourth proportional to 72,677.14, 100,325.21 and 68,137.29 is: 94,058.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,677.14 : 100,325.21 = 68,137.29 : x
  2. Step 2: Convert to fraction form
    72,677.14/100,325.21 = 68,137.29/x
  3. Step 3: Cross multiply
    72,677.14x = 100,325.21 × 68,137.29
  4. Step 4: Simplify right side
    72,677.14x = 6,835,887,587.39
  5. Step 5: Solve for x
    x = 6,835,887,587.39/72,677.14
  6. Step 6: Final answer
    x = 94,058.29

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1.5x scale

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.