Home / 60,781.01-91,198.78-38,588.45

Finding the Fourth Proportional to 60,781.01, 91,198.78 and 38,588.45

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Solution

The fourth proportional to 60,781.01, 91,198.78 and 38,588.45 is: 57,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,781.01 : 91,198.78 = 38,588.45 : x
  2. Step 2: Convert to fraction form
    60,781.01/91,198.78 = 38,588.45/x
  3. Step 3: Cross multiply
    60,781.01x = 91,198.78 × 38,588.45
  4. Step 4: Simplify right side
    60,781.01x = 3,519,219,009.63
  5. Step 5: Solve for x
    x = 3,519,219,009.63/60,781.01
  6. Step 6: Final answer
    x = 57,899.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.