Home / 61,895.12-85,415.66-33,600.80

Finding the Fourth Proportional to 61,895.12, 85,415.66 and 33,600.80

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Solution

The fourth proportional to 61,895.12, 85,415.66 and 33,600.80 is: 46,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,895.12 : 85,415.66 = 33,600.80 : x
  2. Step 2: Convert to fraction form
    61,895.12/85,415.66 = 33,600.80/x
  3. Step 3: Cross multiply
    61,895.12x = 85,415.66 × 33,600.80
  4. Step 4: Simplify right side
    61,895.12x = 2,870,034,508.53
  5. Step 5: Solve for x
    x = 2,870,034,508.53/61,895.12
  6. Step 6: Final answer
    x = 46,369.32

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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.