Home / 117,617.60-162,309.48-63,901.40

Finding the Fourth Proportional to 117,617.60, 162,309.48 and 63,901.40

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Solution

The fourth proportional to 117,617.60, 162,309.48 and 63,901.40 is: 88,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,617.60 : 162,309.48 = 63,901.40 : x
  2. Step 2: Convert to fraction form
    117,617.60/162,309.48 = 63,901.40/x
  3. Step 3: Cross multiply
    117,617.60x = 162,309.48 × 63,901.40
  4. Step 4: Simplify right side
    117,617.60x = 10,371,803,005.27
  5. Step 5: Solve for x
    x = 10,371,803,005.27/117,617.60
  6. Step 6: Final answer
    x = 88,182.41

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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.