Home / 117,110.48-161,612.40-63,395.93

Finding the Fourth Proportional to 117,110.48, 161,612.40 and 63,395.93

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Solution

The fourth proportional to 117,110.48, 161,612.40 and 63,395.93 is: 87,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,110.48 : 161,612.40 = 63,395.93 : x
  2. Step 2: Convert to fraction form
    117,110.48/161,612.40 = 63,395.93/x
  3. Step 3: Cross multiply
    117,110.48x = 161,612.40 × 63,395.93
  4. Step 4: Simplify right side
    117,110.48x = 10,245,568,397.53
  5. Step 5: Solve for x
    x = 10,245,568,397.53/117,110.48
  6. Step 6: Final answer
    x = 87,486.35

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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.