Home / 58,272.50-87,384.65-18,278.15

Finding the Fourth Proportional to 58,272.50, 87,384.65 and 18,278.15

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Solution

The fourth proportional to 58,272.50, 87,384.65 and 18,278.15 is: 27,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,272.50 : 87,384.65 = 18,278.15 : x
  2. Step 2: Convert to fraction form
    58,272.50/87,384.65 = 18,278.15/x
  3. Step 3: Cross multiply
    58,272.50x = 87,384.65 × 18,278.15
  4. Step 4: Simplify right side
    58,272.50x = 1,597,229,212.08
  5. Step 5: Solve for x
    x = 1,597,229,212.08/58,272.50
  6. Step 6: Final answer
    x = 27,409.66

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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.