Home / 99,770.07-137,700.44-59,486.38

Finding the Fourth Proportional to 99,770.07, 137,700.44 and 59,486.38

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Solution

The fourth proportional to 99,770.07, 137,700.44 and 59,486.38 is: 82,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,770.07 : 137,700.44 = 59,486.38 : x
  2. Step 2: Convert to fraction form
    99,770.07/137,700.44 = 59,486.38/x
  3. Step 3: Cross multiply
    99,770.07x = 137,700.44 × 59,486.38
  4. Step 4: Simplify right side
    99,770.07x = 8,191,300,700.01
  5. Step 5: Solve for x
    x = 8,191,300,700.01/99,770.07
  6. Step 6: Final answer
    x = 82,101.78

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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.