Home / 68,388.60-94,338.36-40,088.82

Finding the Fourth Proportional to 68,388.60, 94,338.36 and 40,088.82

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Solution

The fourth proportional to 68,388.60, 94,338.36 and 40,088.82 is: 55,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,388.60 : 94,338.36 = 40,088.82 : x
  2. Step 2: Convert to fraction form
    68,388.60/94,338.36 = 40,088.82/x
  3. Step 3: Cross multiply
    68,388.60x = 94,338.36 × 40,088.82
  4. Step 4: Simplify right side
    68,388.60x = 3,781,913,533.14
  5. Step 5: Solve for x
    x = 3,781,913,533.14/68,388.60
  6. Step 6: Final answer
    x = 55,300.35

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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.