Home / 60,759.36-91,142.28-57,435.12

Finding the Fourth Proportional to 60,759.36, 91,142.28 and 57,435.12

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Solution

The fourth proportional to 60,759.36, 91,142.28 and 57,435.12 is: 86,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,759.36 : 91,142.28 = 57,435.12 : x
  2. Step 2: Convert to fraction form
    60,759.36/91,142.28 = 57,435.12/x
  3. Step 3: Cross multiply
    60,759.36x = 91,142.28 × 57,435.12
  4. Step 4: Simplify right side
    60,759.36x = 5,234,767,788.87
  5. Step 5: Solve for x
    x = 5,234,767,788.87/60,759.36
  6. Step 6: Final answer
    x = 86,155.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.