Home / 66,542.94-91,809.36-42,627.96

Finding the Fourth Proportional to 66,542.94, 91,809.36 and 42,627.96

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Solution

The fourth proportional to 66,542.94, 91,809.36 and 42,627.96 is: 58,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,542.94 : 91,809.36 = 42,627.96 : x
  2. Step 2: Convert to fraction form
    66,542.94/91,809.36 = 42,627.96/x
  3. Step 3: Cross multiply
    66,542.94x = 91,809.36 × 42,627.96
  4. Step 4: Simplify right side
    66,542.94x = 3,913,645,725.71
  5. Step 5: Solve for x
    x = 3,913,645,725.71/66,542.94
  6. Step 6: Final answer
    x = 58,813.84

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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.