Home / 75,134.81-103,686.04-41,602.97

Finding the Fourth Proportional to 75,134.81, 103,686.04 and 41,602.97

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Solution

The fourth proportional to 75,134.81, 103,686.04 and 41,602.97 is: 57,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,134.81 : 103,686.04 = 41,602.97 : x
  2. Step 2: Convert to fraction form
    75,134.81/103,686.04 = 41,602.97/x
  3. Step 3: Cross multiply
    75,134.81x = 103,686.04 × 41,602.97
  4. Step 4: Simplify right side
    75,134.81x = 4,313,647,522.76
  5. Step 5: Solve for x
    x = 4,313,647,522.76/75,134.81
  6. Step 6: Final answer
    x = 57,412.10

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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.