Home / 117,053.74-161,532.93-63,337.60

Finding the Fourth Proportional to 117,053.74, 161,532.93 and 63,337.60

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Solution

The fourth proportional to 117,053.74, 161,532.93 and 63,337.60 is: 87,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,053.74 : 161,532.93 = 63,337.60 : x
  2. Step 2: Convert to fraction form
    117,053.74/161,532.93 = 63,337.60/x
  3. Step 3: Cross multiply
    117,053.74x = 161,532.93 × 63,337.60
  4. Step 4: Simplify right side
    117,053.74x = 10,231,108,107.17
  5. Step 5: Solve for x
    x = 10,231,108,107.17/117,053.74
  6. Step 6: Final answer
    x = 87,405.22

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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.