Home / 80,762.17-121,068.39-35,759.56

Finding the Fourth Proportional to 80,762.17, 121,068.39 and 35,759.56

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Solution

The fourth proportional to 80,762.17, 121,068.39 and 35,759.56 is: 53,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,762.17 : 121,068.39 = 35,759.56 : x
  2. Step 2: Convert to fraction form
    80,762.17/121,068.39 = 35,759.56/x
  3. Step 3: Cross multiply
    80,762.17x = 121,068.39 × 35,759.56
  4. Step 4: Simplify right side
    80,762.17x = 4,329,352,033.64
  5. Step 5: Solve for x
    x = 4,329,352,033.64/80,762.17
  6. Step 6: Final answer
    x = 53,606.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.