Home / 76,963.27-106,208.30-42,972.33

Finding the Fourth Proportional to 76,963.27, 106,208.30 and 42,972.33

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Solution

The fourth proportional to 76,963.27, 106,208.30 and 42,972.33 is: 59,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,963.27 : 106,208.30 = 42,972.33 : x
  2. Step 2: Convert to fraction form
    76,963.27/106,208.30 = 42,972.33/x
  3. Step 3: Cross multiply
    76,963.27x = 106,208.30 × 42,972.33
  4. Step 4: Simplify right side
    76,963.27x = 4,564,018,460.90
  5. Step 5: Solve for x
    x = 4,564,018,460.90/76,963.27
  6. Step 6: Final answer
    x = 59,301.26

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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.