Home / 117,184.59-161,714.88-63,470.05

Finding the Fourth Proportional to 117,184.59, 161,714.88 and 63,470.05

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Solution

The fourth proportional to 117,184.59, 161,714.88 and 63,470.05 is: 87,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,184.59 : 161,714.88 = 63,470.05 : x
  2. Step 2: Convert to fraction form
    117,184.59/161,714.88 = 63,470.05/x
  3. Step 3: Cross multiply
    117,184.59x = 161,714.88 × 63,470.05
  4. Step 4: Simplify right side
    117,184.59x = 10,264,051,115.06
  5. Step 5: Solve for x
    x = 10,264,051,115.06/117,184.59
  6. Step 6: Final answer
    x = 87,588.74

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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.