Home / 75,664.16-104,412.52-43,397.12

Finding the Fourth Proportional to 75,664.16, 104,412.52 and 43,397.12

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Solution

The fourth proportional to 75,664.16, 104,412.52 and 43,397.12 is: 59,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,664.16 : 104,412.52 = 43,397.12 : x
  2. Step 2: Convert to fraction form
    75,664.16/104,412.52 = 43,397.12/x
  3. Step 3: Cross multiply
    75,664.16x = 104,412.52 × 43,397.12
  4. Step 4: Simplify right side
    75,664.16x = 4,531,202,659.94
  5. Step 5: Solve for x
    x = 4,531,202,659.94/75,664.16
  6. Step 6: Final answer
    x = 59,885.72

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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.