Home / 60,686.14-91,039.64-18,565.21

Finding the Fourth Proportional to 60,686.14, 91,039.64 and 18,565.21

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Solution

The fourth proportional to 60,686.14, 91,039.64 and 18,565.21 is: 27,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,686.14 : 91,039.64 = 18,565.21 : x
  2. Step 2: Convert to fraction form
    60,686.14/91,039.64 = 18,565.21/x
  3. Step 3: Cross multiply
    60,686.14x = 91,039.64 × 18,565.21
  4. Step 4: Simplify right side
    60,686.14x = 1,690,170,034.92
  5. Step 5: Solve for x
    x = 1,690,170,034.92/60,686.14
  6. Step 6: Final answer
    x = 27,851.01

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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.