Home / 72,217.08-99,591.66-52,206.84

Finding the Fourth Proportional to 72,217.08, 99,591.66 and 52,206.84

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Solution

The fourth proportional to 72,217.08, 99,591.66 and 52,206.84 is: 71,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,217.08 : 99,591.66 = 52,206.84 : x
  2. Step 2: Convert to fraction form
    72,217.08/99,591.66 = 52,206.84/x
  3. Step 3: Cross multiply
    72,217.08x = 99,591.66 × 52,206.84
  4. Step 4: Simplify right side
    72,217.08x = 5,199,365,858.95
  5. Step 5: Solve for x
    x = 5,199,365,858.95/72,217.08
  6. Step 6: Final answer
    x = 71,996.35

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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.