Home / 72,934.25-100,511.87-52,756.91

Finding the Fourth Proportional to 72,934.25, 100,511.87 and 52,756.91

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Solution

The fourth proportional to 72,934.25, 100,511.87 and 52,756.91 is: 72,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,934.25 : 100,511.87 = 52,756.91 : x
  2. Step 2: Convert to fraction form
    72,934.25/100,511.87 = 52,756.91/x
  3. Step 3: Cross multiply
    72,934.25x = 100,511.87 × 52,756.91
  4. Step 4: Simplify right side
    72,934.25x = 5,302,695,667.02
  5. Step 5: Solve for x
    x = 5,302,695,667.02/72,934.25
  6. Step 6: Final answer
    x = 72,705.15

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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.