Home / 83,835.10-125,788.19-39,460.87

Finding the Fourth Proportional to 83,835.10, 125,788.19 and 39,460.87

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Solution

The fourth proportional to 83,835.10, 125,788.19 and 39,460.87 is: 59,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,835.10 : 125,788.19 = 39,460.87 : x
  2. Step 2: Convert to fraction form
    83,835.10/125,788.19 = 39,460.87/x
  3. Step 3: Cross multiply
    83,835.10x = 125,788.19 × 39,460.87
  4. Step 4: Simplify right side
    83,835.10x = 4,963,710,901.35
  5. Step 5: Solve for x
    x = 4,963,710,901.35/83,835.10
  6. Step 6: Final answer
    x = 59,208.03

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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.