Home / 74,749.93-112,177.44-67,603.51

Finding the Fourth Proportional to 74,749.93, 112,177.44 and 67,603.51

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Solution

The fourth proportional to 74,749.93, 112,177.44 and 67,603.51 is: 101,452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,749.93 : 112,177.44 = 67,603.51 : x
  2. Step 2: Convert to fraction form
    74,749.93/112,177.44 = 67,603.51/x
  3. Step 3: Cross multiply
    74,749.93x = 112,177.44 × 67,603.51
  4. Step 4: Simplify right side
    74,749.93x = 7,583,588,686.81
  5. Step 5: Solve for x
    x = 7,583,588,686.81/74,749.93
  6. Step 6: Final answer
    x = 101,452.79

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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.