Home / 61,705.12-85,153.14-33,410.80

Finding the Fourth Proportional to 61,705.12, 85,153.14 and 33,410.80

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Solution

The fourth proportional to 61,705.12, 85,153.14 and 33,410.80 is: 46,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,705.12 : 85,153.14 = 33,410.80 : x
  2. Step 2: Convert to fraction form
    61,705.12/85,153.14 = 33,410.80/x
  3. Step 3: Cross multiply
    61,705.12x = 85,153.14 × 33,410.80
  4. Step 4: Simplify right side
    61,705.12x = 2,845,034,529.91
  5. Step 5: Solve for x
    x = 2,845,034,529.91/61,705.12
  6. Step 6: Final answer
    x = 46,106.94

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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.