Home / 104,467.77-144,166.28-56,721.15

Finding the Fourth Proportional to 104,467.77, 144,166.28 and 56,721.15

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Solution

The fourth proportional to 104,467.77, 144,166.28 and 56,721.15 is: 78,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,467.77 : 144,166.28 = 56,721.15 : x
  2. Step 2: Convert to fraction form
    104,467.77/144,166.28 = 56,721.15/x
  3. Step 3: Cross multiply
    104,467.77x = 144,166.28 × 56,721.15
  4. Step 4: Simplify right side
    104,467.77x = 8,177,276,909.22
  5. Step 5: Solve for x
    x = 8,177,276,909.22/104,467.77
  6. Step 6: Final answer
    x = 78,275.60

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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.