Home / 85,062.47-117,386.96-47,336.72

Finding the Fourth Proportional to 85,062.47, 117,386.96 and 47,336.72

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Solution

The fourth proportional to 85,062.47, 117,386.96 and 47,336.72 is: 65,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,062.47 : 117,386.96 = 47,336.72 : x
  2. Step 2: Convert to fraction form
    85,062.47/117,386.96 = 47,336.72/x
  3. Step 3: Cross multiply
    85,062.47x = 117,386.96 × 47,336.72
  4. Step 4: Simplify right side
    85,062.47x = 5,556,712,833.55
  5. Step 5: Solve for x
    x = 5,556,712,833.55/85,062.47
  6. Step 6: Final answer
    x = 65,325.09

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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.