Home / 81,322.14-112,209.78-46,861.50

Finding the Fourth Proportional to 81,322.14, 112,209.78 and 46,861.50

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Solution

The fourth proportional to 81,322.14, 112,209.78 and 46,861.50 is: 64,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,322.14 : 112,209.78 = 46,861.50 : x
  2. Step 2: Convert to fraction form
    81,322.14/112,209.78 = 46,861.50/x
  3. Step 3: Cross multiply
    81,322.14x = 112,209.78 × 46,861.50
  4. Step 4: Simplify right side
    81,322.14x = 5,258,318,605.47
  5. Step 5: Solve for x
    x = 5,258,318,605.47/81,322.14
  6. Step 6: Final answer
    x = 64,660.36

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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.