Home / 104,463.89-144,160.56-56,717.22

Finding the Fourth Proportional to 104,463.89, 144,160.56 and 56,717.22

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Solution

The fourth proportional to 104,463.89, 144,160.56 and 56,717.22 is: 78,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,463.89 : 144,160.56 = 56,717.22 : x
  2. Step 2: Convert to fraction form
    104,463.89/144,160.56 = 56,717.22/x
  3. Step 3: Cross multiply
    104,463.89x = 144,160.56 × 56,717.22
  4. Step 4: Simplify right side
    104,463.89x = 8,176,386,196.84
  5. Step 5: Solve for x
    x = 8,176,386,196.84/104,463.89
  6. Step 6: Final answer
    x = 78,269.98

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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.