Home / 104,182.61-143,771.86-56,436.14

Finding the Fourth Proportional to 104,182.61, 143,771.86 and 56,436.14

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Solution

The fourth proportional to 104,182.61, 143,771.86 and 56,436.14 is: 77,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,182.61 : 143,771.86 = 56,436.14 : x
  2. Step 2: Convert to fraction form
    104,182.61/143,771.86 = 56,436.14/x
  3. Step 3: Cross multiply
    104,182.61x = 143,771.86 × 56,436.14
  4. Step 4: Simplify right side
    104,182.61x = 8,113,929,249.00
  5. Step 5: Solve for x
    x = 8,113,929,249.00/104,182.61
  6. Step 6: Final answer
    x = 77,881.80

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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.