Home / 58,432.49-87,726.51-39,520.65

Finding the Fourth Proportional to 58,432.49, 87,726.51 and 39,520.65

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Solution

The fourth proportional to 58,432.49, 87,726.51 and 39,520.65 is: 59,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,432.49 : 87,726.51 = 39,520.65 : x
  2. Step 2: Convert to fraction form
    58,432.49/87,726.51 = 39,520.65/x
  3. Step 3: Cross multiply
    58,432.49x = 87,726.51 × 39,520.65
  4. Step 4: Simplify right side
    58,432.49x = 3,467,008,697.43
  5. Step 5: Solve for x
    x = 3,467,008,697.43/58,432.49
  6. Step 6: Final answer
    x = 59,333.58

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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.