Home / 104,624.75-144,376.64-56,877.88

Finding the Fourth Proportional to 104,624.75, 144,376.64 and 56,877.88

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Solution

The fourth proportional to 104,624.75, 144,376.64 and 56,877.88 is: 78,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,624.75 : 144,376.64 = 56,877.88 : x
  2. Step 2: Convert to fraction form
    104,624.75/144,376.64 = 56,877.88/x
  3. Step 3: Cross multiply
    104,624.75x = 144,376.64 × 56,877.88
  4. Step 4: Simplify right side
    104,624.75x = 8,211,837,204.72
  5. Step 5: Solve for x
    x = 8,211,837,204.72/104,624.75
  6. Step 6: Final answer
    x = 78,488.48

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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.