Home / 61,140.56-84,338.13-38,443.58

Finding the Fourth Proportional to 61,140.56, 84,338.13 and 38,443.58

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Solution

The fourth proportional to 61,140.56, 84,338.13 and 38,443.58 is: 53,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,140.56 : 84,338.13 = 38,443.58 : x
  2. Step 2: Convert to fraction form
    61,140.56/84,338.13 = 38,443.58/x
  3. Step 3: Cross multiply
    61,140.56x = 84,338.13 × 38,443.58
  4. Step 4: Simplify right side
    61,140.56x = 3,242,259,226.01
  5. Step 5: Solve for x
    x = 3,242,259,226.01/61,140.56
  6. Step 6: Final answer
    x = 53,029.60

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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.