Home / 75,134.33-103,685.42-46,840.13

Finding the Fourth Proportional to 75,134.33, 103,685.42 and 46,840.13

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Solution

The fourth proportional to 75,134.33, 103,685.42 and 46,840.13 is: 64,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,134.33 : 103,685.42 = 46,840.13 : x
  2. Step 2: Convert to fraction form
    75,134.33/103,685.42 = 46,840.13/x
  3. Step 3: Cross multiply
    75,134.33x = 103,685.42 × 46,840.13
  4. Step 4: Simplify right side
    75,134.33x = 4,856,638,551.90
  5. Step 5: Solve for x
    x = 4,856,638,551.90/75,134.33
  6. Step 6: Final answer
    x = 64,639.41

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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.