Home / 66,535.41-91,819.05-36,320.76

Finding the Fourth Proportional to 66,535.41, 91,819.05 and 36,320.76

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Solution

The fourth proportional to 66,535.41, 91,819.05 and 36,320.76 is: 50,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,535.41 : 91,819.05 = 36,320.76 : x
  2. Step 2: Convert to fraction form
    66,535.41/91,819.05 = 36,320.76/x
  3. Step 3: Cross multiply
    66,535.41x = 91,819.05 × 36,320.76
  4. Step 4: Simplify right side
    66,535.41x = 3,334,937,678.48
  5. Step 5: Solve for x
    x = 3,334,937,678.48/66,535.41
  6. Step 6: Final answer
    x = 50,122.75

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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.