Home / 83,933.28-115,823.76-46,206.72

Finding the Fourth Proportional to 83,933.28, 115,823.76 and 46,206.72

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Solution

The fourth proportional to 83,933.28, 115,823.76 and 46,206.72 is: 63,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,933.28 : 115,823.76 = 46,206.72 : x
  2. Step 2: Convert to fraction form
    83,933.28/115,823.76 = 46,206.72/x
  3. Step 3: Cross multiply
    83,933.28x = 115,823.76 × 46,206.72
  4. Step 4: Simplify right side
    83,933.28x = 5,351,836,047.67
  5. Step 5: Solve for x
    x = 5,351,836,047.67/83,933.28
  6. Step 6: Final answer
    x = 63,762.98

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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.