Home / 83,973.51-125,956.62-31,383.45

Finding the Fourth Proportional to 83,973.51, 125,956.62 and 31,383.45

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Solution

The fourth proportional to 83,973.51, 125,956.62 and 31,383.45 is: 47,073.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,973.51 : 125,956.62 = 31,383.45 : x
  2. Step 2: Convert to fraction form
    83,973.51/125,956.62 = 31,383.45/x
  3. Step 3: Cross multiply
    83,973.51x = 125,956.62 × 31,383.45
  4. Step 4: Simplify right side
    83,973.51x = 3,952,953,285.94
  5. Step 5: Solve for x
    x = 3,952,953,285.94/83,973.51
  6. Step 6: Final answer
    x = 47,073.81

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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.