Home / 72,844.40-100,553.52-56,934.02

Finding the Fourth Proportional to 72,844.40, 100,553.52 and 56,934.02

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Solution

The fourth proportional to 72,844.40, 100,553.52 and 56,934.02 is: 78,591.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,844.40 : 100,553.52 = 56,934.02 : x
  2. Step 2: Convert to fraction form
    72,844.40/100,553.52 = 56,934.02/x
  3. Step 3: Cross multiply
    72,844.40x = 100,553.52 × 56,934.02
  4. Step 4: Simplify right side
    72,844.40x = 5,724,916,118.75
  5. Step 5: Solve for x
    x = 5,724,916,118.75/72,844.40
  6. Step 6: Final answer
    x = 78,591.03

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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.