Home / 104,460.21-144,151.16-56,712.53

Finding the Fourth Proportional to 104,460.21, 144,151.16 and 56,712.53

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Solution

The fourth proportional to 104,460.21, 144,151.16 and 56,712.53 is: 78,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,460.21 : 144,151.16 = 56,712.53 : x
  2. Step 2: Convert to fraction form
    104,460.21/144,151.16 = 56,712.53/x
  3. Step 3: Cross multiply
    104,460.21x = 144,151.16 × 56,712.53
  4. Step 4: Simplify right side
    104,460.21x = 8,175,177,062.85
  5. Step 5: Solve for x
    x = 8,175,177,062.85/104,460.21
  6. Step 6: Final answer
    x = 78,261.16

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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.