Home / 75,083.32-103,692.54-64,963.18

Finding the Fourth Proportional to 75,083.32, 103,692.54 and 64,963.18

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Solution

The fourth proportional to 75,083.32, 103,692.54 and 64,963.18 is: 89,716.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,083.32 : 103,692.54 = 64,963.18 : x
  2. Step 2: Convert to fraction form
    75,083.32/103,692.54 = 64,963.18/x
  3. Step 3: Cross multiply
    75,083.32x = 103,692.54 × 64,963.18
  4. Step 4: Simplify right side
    75,083.32x = 6,736,197,140.68
  5. Step 5: Solve for x
    x = 6,736,197,140.68/75,083.32
  6. Step 6: Final answer
    x = 89,716.29

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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.