Home / 109,952.90-151,749.31-61,573.25

Finding the Fourth Proportional to 109,952.90, 151,749.31 and 61,573.25

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Solution

The fourth proportional to 109,952.90, 151,749.31 and 61,573.25 is: 84,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,952.90 : 151,749.31 = 61,573.25 : x
  2. Step 2: Convert to fraction form
    109,952.90/151,749.31 = 61,573.25/x
  3. Step 3: Cross multiply
    109,952.90x = 151,749.31 × 61,573.25
  4. Step 4: Simplify right side
    109,952.90x = 9,343,698,201.96
  5. Step 5: Solve for x
    x = 9,343,698,201.96/109,952.90
  6. Step 6: Final answer
    x = 84,979.10

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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.