Home / 75,011.36-103,515.28-41,477.28

Finding the Fourth Proportional to 75,011.36, 103,515.28 and 41,477.28

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Solution

The fourth proportional to 75,011.36, 103,515.28 and 41,477.28 is: 57,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,011.36 : 103,515.28 = 41,477.28 : x
  2. Step 2: Convert to fraction form
    75,011.36/103,515.28 = 41,477.28/x
  3. Step 3: Cross multiply
    75,011.36x = 103,515.28 × 41,477.28
  4. Step 4: Simplify right side
    75,011.36x = 4,293,532,252.84
  5. Step 5: Solve for x
    x = 4,293,532,252.84/75,011.36
  6. Step 6: Final answer
    x = 57,238.43

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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.