Home / 104,463.95-144,159.84-56,717.28

Finding the Fourth Proportional to 104,463.95, 144,159.84 and 56,717.28

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Solution

The fourth proportional to 104,463.95, 144,159.84 and 56,717.28 is: 78,269.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,463.95 : 144,159.84 = 56,717.28 : x
  2. Step 2: Convert to fraction form
    104,463.95/144,159.84 = 56,717.28/x
  3. Step 3: Cross multiply
    104,463.95x = 144,159.84 × 56,717.28
  4. Step 4: Simplify right side
    104,463.95x = 8,176,354,010.04
  5. Step 5: Solve for x
    x = 8,176,354,010.04/104,463.95
  6. Step 6: Final answer
    x = 78,269.63

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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.