Home / 61,700.38-85,147.12-33,406.68

Finding the Fourth Proportional to 61,700.38, 85,147.12 and 33,406.68

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Solution

The fourth proportional to 61,700.38, 85,147.12 and 33,406.68 is: 46,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,700.38 : 85,147.12 = 33,406.68 : x
  2. Step 2: Convert to fraction form
    61,700.38/85,147.12 = 33,406.68/x
  3. Step 3: Cross multiply
    61,700.38x = 85,147.12 × 33,406.68
  4. Step 4: Simplify right side
    61,700.38x = 2,844,482,590.76
  5. Step 5: Solve for x
    x = 2,844,482,590.76/61,700.38
  6. Step 6: Final answer
    x = 46,101.54

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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.