Home / 81,107.53-121,661.59-24,947.26

Finding the Fourth Proportional to 81,107.53, 121,661.59 and 24,947.26

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Solution

The fourth proportional to 81,107.53, 121,661.59 and 24,947.26 is: 37,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,107.53 : 121,661.59 = 24,947.26 : x
  2. Step 2: Convert to fraction form
    81,107.53/121,661.59 = 24,947.26/x
  3. Step 3: Cross multiply
    81,107.53x = 121,661.59 × 24,947.26
  4. Step 4: Simplify right side
    81,107.53x = 3,035,123,193.01
  5. Step 5: Solve for x
    x = 3,035,123,193.01/81,107.53
  6. Step 6: Final answer
    x = 37,420.98

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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.