Home / 99,442.89-137,365.47-92,357.01

Finding the Fourth Proportional to 99,442.89, 137,365.47 and 92,357.01

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Solution

The fourth proportional to 99,442.89, 137,365.47 and 92,357.01 is: 127,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,442.89 : 137,365.47 = 92,357.01 : x
  2. Step 2: Convert to fraction form
    99,442.89/137,365.47 = 92,357.01/x
  3. Step 3: Cross multiply
    99,442.89x = 137,365.47 × 92,357.01
  4. Step 4: Simplify right side
    99,442.89x = 12,686,664,086.44
  5. Step 5: Solve for x
    x = 12,686,664,086.44/99,442.89
  6. Step 6: Final answer
    x = 127,577.39

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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.