Home / 117,281.86-161,849.24-63,566.81

Finding the Fourth Proportional to 117,281.86, 161,849.24 and 63,566.81

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Solution

The fourth proportional to 117,281.86, 161,849.24 and 63,566.81 is: 87,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,281.86 : 161,849.24 = 63,566.81 : x
  2. Step 2: Convert to fraction form
    117,281.86/161,849.24 = 63,566.81/x
  3. Step 3: Cross multiply
    117,281.86x = 161,849.24 × 63,566.81
  4. Step 4: Simplify right side
    117,281.86x = 10,288,239,605.95
  5. Step 5: Solve for x
    x = 10,288,239,605.95/117,281.86
  6. Step 6: Final answer
    x = 87,722.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.