Home / 66,065.18-91,169.49-35,849.74

Finding the Fourth Proportional to 66,065.18, 91,169.49 and 35,849.74

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Solution

The fourth proportional to 66,065.18, 91,169.49 and 35,849.74 is: 49,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,065.18 : 91,169.49 = 35,849.74 : x
  2. Step 2: Convert to fraction form
    66,065.18/91,169.49 = 35,849.74/x
  3. Step 3: Cross multiply
    66,065.18x = 91,169.49 × 35,849.74
  4. Step 4: Simplify right side
    66,065.18x = 3,268,402,056.59
  5. Step 5: Solve for x
    x = 3,268,402,056.59/66,065.18
  6. Step 6: Final answer
    x = 49,472.39

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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.