Home / 75,568.62-104,292.06-56,415.15

Finding the Fourth Proportional to 75,568.62, 104,292.06 and 56,415.15

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Solution

The fourth proportional to 75,568.62, 104,292.06 and 56,415.15 is: 77,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,568.62 : 104,292.06 = 56,415.15 : x
  2. Step 2: Convert to fraction form
    75,568.62/104,292.06 = 56,415.15/x
  3. Step 3: Cross multiply
    75,568.62x = 104,292.06 × 56,415.15
  4. Step 4: Simplify right side
    75,568.62x = 5,883,652,208.71
  5. Step 5: Solve for x
    x = 5,883,652,208.71/75,568.62
  6. Step 6: Final answer
    x = 77,858.40

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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.