Home / 117,074.59-161,562.95-63,360.00

Finding the Fourth Proportional to 117,074.59, 161,562.95 and 63,360.00

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Solution

The fourth proportional to 117,074.59, 161,562.95 and 63,360.00 is: 87,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,074.59 : 161,562.95 = 63,360.00 : x
  2. Step 2: Convert to fraction form
    117,074.59/161,562.95 = 63,360.00/x
  3. Step 3: Cross multiply
    117,074.59x = 161,562.95 × 63,360.00
  4. Step 4: Simplify right side
    117,074.59x = 10,236,627,387.39
  5. Step 5: Solve for x
    x = 10,236,627,387.39/117,074.59
  6. Step 6: Final answer
    x = 87,436.80

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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.