Home / 104,530.88-144,253.62-56,785.16

Finding the Fourth Proportional to 104,530.88, 144,253.62 and 56,785.16

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Solution

The fourth proportional to 104,530.88, 144,253.62 and 56,785.16 is: 78,364.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,530.88 : 144,253.62 = 56,785.16 : x
  2. Step 2: Convert to fraction form
    104,530.88/144,253.62 = 56,785.16/x
  3. Step 3: Cross multiply
    104,530.88x = 144,253.62 × 56,785.16
  4. Step 4: Simplify right side
    104,530.88x = 8,191,464,892.28
  5. Step 5: Solve for x
    x = 8,191,464,892.28/104,530.88
  6. Step 6: Final answer
    x = 78,364.07

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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.