Home / 66,376.08-91,597.92-36,161.78

Finding the Fourth Proportional to 66,376.08, 91,597.92 and 36,161.78

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Solution

The fourth proportional to 66,376.08, 91,597.92 and 36,161.78 is: 49,902.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,376.08 : 91,597.92 = 36,161.78 : x
  2. Step 2: Convert to fraction form
    66,376.08/91,597.92 = 36,161.78/x
  3. Step 3: Cross multiply
    66,376.08x = 91,597.92 × 36,161.78
  4. Step 4: Simplify right side
    66,376.08x = 3,312,343,373.51
  5. Step 5: Solve for x
    x = 3,312,343,373.51/66,376.08
  6. Step 6: Final answer
    x = 49,902.67

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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.