Home / 84,518.92-116,635.71-45,756.64

Finding the Fourth Proportional to 84,518.92, 116,635.71 and 45,756.64

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Solution

The fourth proportional to 84,518.92, 116,635.71 and 45,756.64 is: 63,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,518.92 : 116,635.71 = 45,756.64 : x
  2. Step 2: Convert to fraction form
    84,518.92/116,635.71 = 45,756.64/x
  3. Step 3: Cross multiply
    84,518.92x = 116,635.71 × 45,756.64
  4. Step 4: Simplify right side
    84,518.92x = 5,336,858,193.61
  5. Step 5: Solve for x
    x = 5,336,858,193.61/84,518.92
  6. Step 6: Final answer
    x = 63,143.95

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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.