Home / 87,925.63-131,888.61-21,365.82

Finding the Fourth Proportional to 87,925.63, 131,888.61 and 21,365.82

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Solution

The fourth proportional to 87,925.63, 131,888.61 and 21,365.82 is: 32,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,925.63 : 131,888.61 = 21,365.82 : x
  2. Step 2: Convert to fraction form
    87,925.63/131,888.61 = 21,365.82/x
  3. Step 3: Cross multiply
    87,925.63x = 131,888.61 × 21,365.82
  4. Step 4: Simplify right side
    87,925.63x = 2,817,908,301.31
  5. Step 5: Solve for x
    x = 2,817,908,301.31/87,925.63
  6. Step 6: Final answer
    x = 32,048.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.