Home / 112,773.36-169,130.85-53,491.08

Finding the Fourth Proportional to 112,773.36, 169,130.85 and 53,491.08

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Solution

The fourth proportional to 112,773.36, 169,130.85 and 53,491.08 is: 80,222.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,773.36 : 169,130.85 = 53,491.08 : x
  2. Step 2: Convert to fraction form
    112,773.36/169,130.85 = 53,491.08/x
  3. Step 3: Cross multiply
    112,773.36x = 169,130.85 × 53,491.08
  4. Step 4: Simplify right side
    112,773.36x = 9,046,991,827.82
  5. Step 5: Solve for x
    x = 9,046,991,827.82/112,773.36
  6. Step 6: Final answer
    x = 80,222.77

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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.