Home / 75,134.08-103,685.07-46,839.88

Finding the Fourth Proportional to 75,134.08, 103,685.07 and 46,839.88

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Solution

The fourth proportional to 75,134.08, 103,685.07 and 46,839.88 is: 64,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,134.08 : 103,685.07 = 46,839.88 : x
  2. Step 2: Convert to fraction form
    75,134.08/103,685.07 = 46,839.88/x
  3. Step 3: Cross multiply
    75,134.08x = 103,685.07 × 46,839.88
  4. Step 4: Simplify right side
    75,134.08x = 4,856,596,236.59
  5. Step 5: Solve for x
    x = 4,856,596,236.59/75,134.08
  6. Step 6: Final answer
    x = 64,639.06

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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.