Home / 85,329.33-127,979.42-22,985.25

Finding the Fourth Proportional to 85,329.33, 127,979.42 and 22,985.25

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Solution

The fourth proportional to 85,329.33, 127,979.42 and 22,985.25 is: 34,473.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,329.33 : 127,979.42 = 22,985.25 : x
  2. Step 2: Convert to fraction form
    85,329.33/127,979.42 = 22,985.25/x
  3. Step 3: Cross multiply
    85,329.33x = 127,979.42 × 22,985.25
  4. Step 4: Simplify right side
    85,329.33x = 2,941,638,848.63
  5. Step 5: Solve for x
    x = 2,941,638,848.63/85,329.33
  6. Step 6: Final answer
    x = 34,473.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.