Home / 66,212.69-91,375.32-36,000.05

Finding the Fourth Proportional to 66,212.69, 91,375.32 and 36,000.05

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Solution

The fourth proportional to 66,212.69, 91,375.32 and 36,000.05 is: 49,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,212.69 : 91,375.32 = 36,000.05 : x
  2. Step 2: Convert to fraction form
    66,212.69/91,375.32 = 36,000.05/x
  3. Step 3: Cross multiply
    66,212.69x = 91,375.32 × 36,000.05
  4. Step 4: Simplify right side
    66,212.69x = 3,289,516,088.77
  5. Step 5: Solve for x
    x = 3,289,516,088.77/66,212.69
  6. Step 6: Final answer
    x = 49,681.05

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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.