Home / 83,985.14-115,890.45-46,257.14

Finding the Fourth Proportional to 83,985.14, 115,890.45 and 46,257.14

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Solution

The fourth proportional to 83,985.14, 115,890.45 and 46,257.14 is: 63,829.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,985.14 : 115,890.45 = 46,257.14 : x
  2. Step 2: Convert to fraction form
    83,985.14/115,890.45 = 46,257.14/x
  3. Step 3: Cross multiply
    83,985.14x = 115,890.45 × 46,257.14
  4. Step 4: Simplify right side
    83,985.14x = 5,360,760,770.31
  5. Step 5: Solve for x
    x = 5,360,760,770.31/83,985.14
  6. Step 6: Final answer
    x = 63,829.87

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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.