Home / 68,810.76-94,947.12-38,591.28

Finding the Fourth Proportional to 68,810.76, 94,947.12 and 38,591.28

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Solution

The fourth proportional to 68,810.76, 94,947.12 and 38,591.28 is: 53,249.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,810.76 : 94,947.12 = 38,591.28 : x
  2. Step 2: Convert to fraction form
    68,810.76/94,947.12 = 38,591.28/x
  3. Step 3: Cross multiply
    68,810.76x = 94,947.12 × 38,591.28
  4. Step 4: Simplify right side
    68,810.76x = 3,664,130,893.11
  5. Step 5: Solve for x
    x = 3,664,130,893.11/68,810.76
  6. Step 6: Final answer
    x = 53,249.39

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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.