Home / 97,380.31-145,686.14-73,755.93

Finding the Fourth Proportional to 97,380.31, 145,686.14 and 73,755.93

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Solution

The fourth proportional to 97,380.31, 145,686.14 and 73,755.93 is: 110,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,380.31 : 145,686.14 = 73,755.93 : x
  2. Step 2: Convert to fraction form
    97,380.31/145,686.14 = 73,755.93/x
  3. Step 3: Cross multiply
    97,380.31x = 145,686.14 × 73,755.93
  4. Step 4: Simplify right side
    97,380.31x = 10,745,216,743.81
  5. Step 5: Solve for x
    x = 10,745,216,743.81/97,380.31
  6. Step 6: Final answer
    x = 110,342.81

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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.