Home / 121,688.72-182,550.38-37,455.91

Finding the Fourth Proportional to 121,688.72, 182,550.38 and 37,455.91

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Solution

The fourth proportional to 121,688.72, 182,550.38 and 37,455.91 is: 56,189.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,688.72 : 182,550.38 = 37,455.91 : x
  2. Step 2: Convert to fraction form
    121,688.72/182,550.38 = 37,455.91/x
  3. Step 3: Cross multiply
    121,688.72x = 182,550.38 × 37,455.91
  4. Step 4: Simplify right side
    121,688.72x = 6,837,589,690.99
  5. Step 5: Solve for x
    x = 6,837,589,690.99/121,688.72
  6. Step 6: Final answer
    x = 56,189.18

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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.