Home / 80,513.13-111,111.59-44,703.14

Finding the Fourth Proportional to 80,513.13, 111,111.59 and 44,703.14

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Solution

The fourth proportional to 80,513.13, 111,111.59 and 44,703.14 is: 61,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,513.13 : 111,111.59 = 44,703.14 : x
  2. Step 2: Convert to fraction form
    80,513.13/111,111.59 = 44,703.14/x
  3. Step 3: Cross multiply
    80,513.13x = 111,111.59 × 44,703.14
  4. Step 4: Simplify right side
    80,513.13x = 4,967,036,963.39
  5. Step 5: Solve for x
    x = 4,967,036,963.39/80,513.13
  6. Step 6: Final answer
    x = 61,692.26

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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.