Home / 94,655.90-141,930.59-31,442.19

Finding the Fourth Proportional to 94,655.90, 141,930.59 and 31,442.19

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Solution

The fourth proportional to 94,655.90, 141,930.59 and 31,442.19 is: 47,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,655.90 : 141,930.59 = 31,442.19 : x
  2. Step 2: Convert to fraction form
    94,655.90/141,930.59 = 31,442.19/x
  3. Step 3: Cross multiply
    94,655.90x = 141,930.59 × 31,442.19
  4. Step 4: Simplify right side
    94,655.90x = 4,462,608,420.38
  5. Step 5: Solve for x
    x = 4,462,608,420.38/94,655.90
  6. Step 6: Final answer
    x = 47,145.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.