Home / 104,947.16-144,822.84-57,199.48

Finding the Fourth Proportional to 104,947.16, 144,822.84 and 57,199.48

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Solution

The fourth proportional to 104,947.16, 144,822.84 and 57,199.48 is: 78,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,947.16 : 144,822.84 = 57,199.48 : x
  2. Step 2: Convert to fraction form
    104,947.16/144,822.84 = 57,199.48/x
  3. Step 3: Cross multiply
    104,947.16x = 144,822.84 × 57,199.48
  4. Step 4: Simplify right side
    104,947.16x = 8,283,791,140.12
  5. Step 5: Solve for x
    x = 8,283,791,140.12/104,947.16
  6. Step 6: Final answer
    x = 78,932.97

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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.