Home / 84,340.52-116,477.07-72,955.36

Finding the Fourth Proportional to 84,340.52, 116,477.07 and 72,955.36

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Solution

The fourth proportional to 84,340.52, 116,477.07 and 72,955.36 is: 100,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,340.52 : 116,477.07 = 72,955.36 : x
  2. Step 2: Convert to fraction form
    84,340.52/116,477.07 = 72,955.36/x
  3. Step 3: Cross multiply
    84,340.52x = 116,477.07 × 72,955.36
  4. Step 4: Simplify right side
    84,340.52x = 8,497,626,573.60
  5. Step 5: Solve for x
    x = 8,497,626,573.60/84,340.52
  6. Step 6: Final answer
    x = 100,753.78

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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.