Home / 83,447.84-115,157.27-45,206.52

Finding the Fourth Proportional to 83,447.84, 115,157.27 and 45,206.52

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Solution

The fourth proportional to 83,447.84, 115,157.27 and 45,206.52 is: 62,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,447.84 : 115,157.27 = 45,206.52 : x
  2. Step 2: Convert to fraction form
    83,447.84/115,157.27 = 45,206.52/x
  3. Step 3: Cross multiply
    83,447.84x = 115,157.27 × 45,206.52
  4. Step 4: Simplify right side
    83,447.84x = 5,205,859,203.37
  5. Step 5: Solve for x
    x = 5,205,859,203.37/83,447.84
  6. Step 6: Final answer
    x = 62,384.59

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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.