Home / 117,053.02-161,531.95-63,336.85

Finding the Fourth Proportional to 117,053.02, 161,531.95 and 63,336.85

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Solution

The fourth proportional to 117,053.02, 161,531.95 and 63,336.85 is: 87,404.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,053.02 : 161,531.95 = 63,336.85 : x
  2. Step 2: Convert to fraction form
    117,053.02/161,531.95 = 63,336.85/x
  3. Step 3: Cross multiply
    117,053.02x = 161,531.95 × 63,336.85
  4. Step 4: Simplify right side
    117,053.02x = 10,230,924,887.36
  5. Step 5: Solve for x
    x = 10,230,924,887.36/117,053.02
  6. Step 6: Final answer
    x = 87,404.19

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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.