Home / 61,693.12-85,136.70-33,398.92

Finding the Fourth Proportional to 61,693.12, 85,136.70 and 33,398.92

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Solution

The fourth proportional to 61,693.12, 85,136.70 and 33,398.92 is: 46,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,693.12 : 85,136.70 = 33,398.92 : x
  2. Step 2: Convert to fraction form
    61,693.12/85,136.70 = 33,398.92/x
  3. Step 3: Cross multiply
    61,693.12x = 85,136.70 × 33,398.92
  4. Step 4: Simplify right side
    61,693.12x = 2,843,473,832.36
  5. Step 5: Solve for x
    x = 2,843,473,832.36/61,693.12
  6. Step 6: Final answer
    x = 46,090.61

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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.