Home / 52,088.51-71,881.92-28,215.11

Finding the Fourth Proportional to 52,088.51, 71,881.92 and 28,215.11

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Solution

The fourth proportional to 52,088.51, 71,881.92 and 28,215.11 is: 38,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,088.51 : 71,881.92 = 28,215.11 : x
  2. Step 2: Convert to fraction form
    52,088.51/71,881.92 = 28,215.11/x
  3. Step 3: Cross multiply
    52,088.51x = 71,881.92 × 28,215.11
  4. Step 4: Simplify right side
    52,088.51x = 2,028,155,920.40
  5. Step 5: Solve for x
    x = 2,028,155,920.40/52,088.51
  6. Step 6: Final answer
    x = 38,936.73

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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.