Home / 68,090.36-93,938.84-42,236.91

Finding the Fourth Proportional to 68,090.36, 93,938.84 and 42,236.91

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Solution

The fourth proportional to 68,090.36, 93,938.84 and 42,236.91 is: 58,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,090.36 : 93,938.84 = 42,236.91 : x
  2. Step 2: Convert to fraction form
    68,090.36/93,938.84 = 42,236.91/x
  3. Step 3: Cross multiply
    68,090.36x = 93,938.84 × 42,236.91
  4. Step 4: Simplify right side
    68,090.36x = 3,967,686,277.79
  5. Step 5: Solve for x
    x = 3,967,686,277.79/68,090.36
  6. Step 6: Final answer
    x = 58,270.90

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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.