Home / 52,402.64-72,315.65-28,529.51

Finding the Fourth Proportional to 52,402.64, 72,315.65 and 28,529.51

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Solution

The fourth proportional to 52,402.64, 72,315.65 and 28,529.51 is: 39,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,402.64 : 72,315.65 = 28,529.51 : x
  2. Step 2: Convert to fraction form
    52,402.64/72,315.65 = 28,529.51/x
  3. Step 3: Cross multiply
    52,402.64x = 72,315.65 × 28,529.51
  4. Step 4: Simplify right side
    52,402.64x = 2,063,129,769.58
  5. Step 5: Solve for x
    x = 2,063,129,769.58/52,402.64
  6. Step 6: Final answer
    x = 39,370.73

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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.