Home / 68,094.23-93,944.18-42,240.79

Finding the Fourth Proportional to 68,094.23, 93,944.18 and 42,240.79

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Solution

The fourth proportional to 68,094.23, 93,944.18 and 42,240.79 is: 58,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,094.23 : 93,944.18 = 42,240.79 : x
  2. Step 2: Convert to fraction form
    68,094.23/93,944.18 = 42,240.79/x
  3. Step 3: Cross multiply
    68,094.23x = 93,944.18 × 42,240.79
  4. Step 4: Simplify right side
    68,094.23x = 3,968,276,379.10
  5. Step 5: Solve for x
    x = 3,968,276,379.10/68,094.23
  6. Step 6: Final answer
    x = 58,276.25

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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.