Home / 57,037.26-78,718.03-34,387.84

Finding the Fourth Proportional to 57,037.26, 78,718.03 and 34,387.84

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Solution

The fourth proportional to 57,037.26, 78,718.03 and 34,387.84 is: 47,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,037.26 : 78,718.03 = 34,387.84 : x
  2. Step 2: Convert to fraction form
    57,037.26/78,718.03 = 34,387.84/x
  3. Step 3: Cross multiply
    57,037.26x = 78,718.03 × 34,387.84
  4. Step 4: Simplify right side
    57,037.26x = 2,706,943,033.18
  5. Step 5: Solve for x
    x = 2,706,943,033.18/57,037.26
  6. Step 6: Final answer
    x = 47,459.20

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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.