Home / 58,208.16-87,255.96-18,738.48

Finding the Fourth Proportional to 58,208.16, 87,255.96 and 18,738.48

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Solution

The fourth proportional to 58,208.16, 87,255.96 and 18,738.48 is: 28,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,208.16 : 87,255.96 = 18,738.48 : x
  2. Step 2: Convert to fraction form
    58,208.16/87,255.96 = 18,738.48/x
  3. Step 3: Cross multiply
    58,208.16x = 87,255.96 × 18,738.48
  4. Step 4: Simplify right side
    58,208.16x = 1,635,044,061.34
  5. Step 5: Solve for x
    x = 1,635,044,061.34/58,208.16
  6. Step 6: Final answer
    x = 28,089.60

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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.