Home / 117,077.04-161,565.36-63,360.96

Finding the Fourth Proportional to 117,077.04, 161,565.36 and 63,360.96

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Solution

The fourth proportional to 117,077.04, 161,565.36 and 63,360.96 is: 87,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,077.04 : 161,565.36 = 63,360.96 : x
  2. Step 2: Convert to fraction form
    117,077.04/161,565.36 = 63,360.96/x
  3. Step 3: Cross multiply
    117,077.04x = 161,565.36 × 63,360.96
  4. Step 4: Simplify right side
    117,077.04x = 10,236,936,312.35
  5. Step 5: Solve for x
    x = 10,236,936,312.35/117,077.04
  6. Step 6: Final answer
    x = 87,437.61

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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.