Home / 55,692.75-76,868.28-43,569.21

Finding the Fourth Proportional to 55,692.75, 76,868.28 and 43,569.21

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Solution

The fourth proportional to 55,692.75, 76,868.28 and 43,569.21 is: 60,135.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,692.75 : 76,868.28 = 43,569.21 : x
  2. Step 2: Convert to fraction form
    55,692.75/76,868.28 = 43,569.21/x
  3. Step 3: Cross multiply
    55,692.75x = 76,868.28 × 43,569.21
  4. Step 4: Simplify right side
    55,692.75x = 3,349,090,233.66
  5. Step 5: Solve for x
    x = 3,349,090,233.66/55,692.75
  6. Step 6: Final answer
    x = 60,135.12

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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.