Home / 118,062.47-162,921.48-64,346.36

Finding the Fourth Proportional to 118,062.47, 162,921.48 and 64,346.36

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Solution

The fourth proportional to 118,062.47, 162,921.48 and 64,346.36 is: 88,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,062.47 : 162,921.48 = 64,346.36 : x
  2. Step 2: Convert to fraction form
    118,062.47/162,921.48 = 64,346.36/x
  3. Step 3: Cross multiply
    118,062.47x = 162,921.48 × 64,346.36
  4. Step 4: Simplify right side
    118,062.47x = 10,483,404,203.81
  5. Step 5: Solve for x
    x = 10,483,404,203.81/118,062.47
  6. Step 6: Final answer
    x = 88,795.40

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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.