Home / 83,184.96-114,752.58-56,318.04

Finding the Fourth Proportional to 83,184.96, 114,752.58 and 56,318.04

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Solution

The fourth proportional to 83,184.96, 114,752.58 and 56,318.04 is: 77,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,184.96 : 114,752.58 = 56,318.04 : x
  2. Step 2: Convert to fraction form
    83,184.96/114,752.58 = 56,318.04/x
  3. Step 3: Cross multiply
    83,184.96x = 114,752.58 × 56,318.04
  4. Step 4: Simplify right side
    83,184.96x = 6,462,640,390.54
  5. Step 5: Solve for x
    x = 6,462,640,390.54/83,184.96
  6. Step 6: Final answer
    x = 77,690.01

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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.