Home / 66,478.32-91,740.66-36,263.77

Finding the Fourth Proportional to 66,478.32, 91,740.66 and 36,263.77

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Solution

The fourth proportional to 66,478.32, 91,740.66 and 36,263.77 is: 50,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,478.32 : 91,740.66 = 36,263.77 : x
  2. Step 2: Convert to fraction form
    66,478.32/91,740.66 = 36,263.77/x
  3. Step 3: Cross multiply
    66,478.32x = 91,740.66 × 36,263.77
  4. Step 4: Simplify right side
    66,478.32x = 3,326,861,964.54
  5. Step 5: Solve for x
    x = 3,326,861,964.54/66,478.32
  6. Step 6: Final answer
    x = 50,044.31

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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.