Home / 83,347.06-115,017.78-47,537.68

Finding the Fourth Proportional to 83,347.06, 115,017.78 and 47,537.68

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Solution

The fourth proportional to 83,347.06, 115,017.78 and 47,537.68 is: 65,601.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,347.06 : 115,017.78 = 47,537.68 : x
  2. Step 2: Convert to fraction form
    83,347.06/115,017.78 = 47,537.68/x
  3. Step 3: Cross multiply
    83,347.06x = 115,017.78 × 47,537.68
  4. Step 4: Simplify right side
    83,347.06x = 5,467,678,419.95
  5. Step 5: Solve for x
    x = 5,467,678,419.95/83,347.06
  6. Step 6: Final answer
    x = 65,601.34

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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.