Home / 68,143.80-94,037.76-37,928.64

Finding the Fourth Proportional to 68,143.80, 94,037.76 and 37,928.64

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Solution

The fourth proportional to 68,143.80, 94,037.76 and 37,928.64 is: 52,341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,143.80 : 94,037.76 = 37,928.64 : x
  2. Step 2: Convert to fraction form
    68,143.80/94,037.76 = 37,928.64/x
  3. Step 3: Cross multiply
    68,143.80x = 94,037.76 × 37,928.64
  4. Step 4: Simplify right side
    68,143.80x = 3,566,724,345.45
  5. Step 5: Solve for x
    x = 3,566,724,345.45/68,143.80
  6. Step 6: Final answer
    x = 52,341.14

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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.