Home / 52,088.22-71,881.83-28,215.09

Finding the Fourth Proportional to 52,088.22, 71,881.83 and 28,215.09

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Solution

The fourth proportional to 52,088.22, 71,881.83 and 28,215.09 is: 38,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,088.22 : 71,881.83 = 28,215.09 : x
  2. Step 2: Convert to fraction form
    52,088.22/71,881.83 = 28,215.09/x
  3. Step 3: Cross multiply
    52,088.22x = 71,881.83 × 28,215.09
  4. Step 4: Simplify right side
    52,088.22x = 2,028,152,302.81
  5. Step 5: Solve for x
    x = 2,028,152,302.81/52,088.22
  6. Step 6: Final answer
    x = 38,936.87

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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.