Home / 98,888.31-136,465.92-53,566.38

Finding the Fourth Proportional to 98,888.31, 136,465.92 and 53,566.38

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Solution

The fourth proportional to 98,888.31, 136,465.92 and 53,566.38 is: 73,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,888.31 : 136,465.92 = 53,566.38 : x
  2. Step 2: Convert to fraction form
    98,888.31/136,465.92 = 53,566.38/x
  3. Step 3: Cross multiply
    98,888.31x = 136,465.92 × 53,566.38
  4. Step 4: Simplify right side
    98,888.31x = 7,309,985,327.77
  5. Step 5: Solve for x
    x = 7,309,985,327.77/98,888.31
  6. Step 6: Final answer
    x = 73,921.63

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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.