Home / 117,829.60-162,606.48-64,116.16

Finding the Fourth Proportional to 117,829.60, 162,606.48 and 64,116.16

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Solution

The fourth proportional to 117,829.60, 162,606.48 and 64,116.16 is: 88,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,829.60 : 162,606.48 = 64,116.16 : x
  2. Step 2: Convert to fraction form
    117,829.60/162,606.48 = 64,116.16/x
  3. Step 3: Cross multiply
    117,829.60x = 162,606.48 × 64,116.16
  4. Step 4: Simplify right side
    117,829.60x = 10,425,703,088.72
  5. Step 5: Solve for x
    x = 10,425,703,088.72/117,829.60
  6. Step 6: Final answer
    x = 88,481.19

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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.