Home / 104,448.74-144,141-56,702.08

Finding the Fourth Proportional to 104,448.74, 144,141 and 56,702.08

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Solution

The fourth proportional to 104,448.74, 144,141 and 56,702.08 is: 78,249.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,448.74 : 144,141 = 56,702.08 : x
  2. Step 2: Convert to fraction form
    104,448.74/144,141 = 56,702.08/x
  3. Step 3: Cross multiply
    104,448.74x = 144,141 × 56,702.08
  4. Step 4: Simplify right side
    104,448.74x = 8,173,094,513.28
  5. Step 5: Solve for x
    x = 8,173,094,513.28/104,448.74
  6. Step 6: Final answer
    x = 78,249.82

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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.