Home / 66,069.86-91,176.47-35,855.18

Finding the Fourth Proportional to 66,069.86, 91,176.47 and 35,855.18

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Solution

The fourth proportional to 66,069.86, 91,176.47 and 35,855.18 is: 49,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,069.86 : 91,176.47 = 35,855.18 : x
  2. Step 2: Convert to fraction form
    66,069.86/91,176.47 = 35,855.18/x
  3. Step 3: Cross multiply
    66,069.86x = 91,176.47 × 35,855.18
  4. Step 4: Simplify right side
    66,069.86x = 3,269,148,108.46
  5. Step 5: Solve for x
    x = 3,269,148,108.46/66,069.86
  6. Step 6: Final answer
    x = 49,480.18

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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.