Home / 72,272.83-108,408.63-56,491.13

Finding the Fourth Proportional to 72,272.83, 108,408.63 and 56,491.13

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Solution

The fourth proportional to 72,272.83, 108,408.63 and 56,491.13 is: 84,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,272.83 : 108,408.63 = 56,491.13 : x
  2. Step 2: Convert to fraction form
    72,272.83/108,408.63 = 56,491.13/x
  3. Step 3: Cross multiply
    72,272.83x = 108,408.63 × 56,491.13
  4. Step 4: Simplify right side
    72,272.83x = 6,124,126,010.45
  5. Step 5: Solve for x
    x = 6,124,126,010.45/72,272.83
  6. Step 6: Final answer
    x = 84,736.21

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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.