Home / 84,688.40-116,872.80-46,450.64

Finding the Fourth Proportional to 84,688.40, 116,872.80 and 46,450.64

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Solution

The fourth proportional to 84,688.40, 116,872.80 and 46,450.64 is: 64,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,688.40 : 116,872.80 = 46,450.64 : x
  2. Step 2: Convert to fraction form
    84,688.40/116,872.80 = 46,450.64/x
  3. Step 3: Cross multiply
    84,688.40x = 116,872.80 × 46,450.64
  4. Step 4: Simplify right side
    84,688.40x = 5,428,816,358.59
  5. Step 5: Solve for x
    x = 5,428,816,358.59/84,688.40
  6. Step 6: Final answer
    x = 64,103.42

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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.