Home / 83,807.40-125,628.06-39,354.58

Finding the Fourth Proportional to 83,807.40, 125,628.06 and 39,354.58

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Solution

The fourth proportional to 83,807.40, 125,628.06 and 39,354.58 is: 58,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,807.40 : 125,628.06 = 39,354.58 : x
  2. Step 2: Convert to fraction form
    83,807.40/125,628.06 = 39,354.58/x
  3. Step 3: Cross multiply
    83,807.40x = 125,628.06 × 39,354.58
  4. Step 4: Simplify right side
    83,807.40x = 4,944,038,909.37
  5. Step 5: Solve for x
    x = 4,944,038,909.37/83,807.40
  6. Step 6: Final answer
    x = 58,992.87

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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.