Home / 76,973.54-106,228.13-42,982.02

Finding the Fourth Proportional to 76,973.54, 106,228.13 and 42,982.02

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Solution

The fourth proportional to 76,973.54, 106,228.13 and 42,982.02 is: 59,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,973.54 : 106,228.13 = 42,982.02 : x
  2. Step 2: Convert to fraction form
    76,973.54/106,228.13 = 42,982.02/x
  3. Step 3: Cross multiply
    76,973.54x = 106,228.13 × 42,982.02
  4. Step 4: Simplify right side
    76,973.54x = 4,565,899,393.31
  5. Step 5: Solve for x
    x = 4,565,899,393.31/76,973.54
  6. Step 6: Final answer
    x = 59,317.78

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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.