Home / 99,035.24-148,603.92-65,778.32

Finding the Fourth Proportional to 99,035.24, 148,603.92 and 65,778.32

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Solution

The fourth proportional to 99,035.24, 148,603.92 and 65,778.32 is: 98,701.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,035.24 : 148,603.92 = 65,778.32 : x
  2. Step 2: Convert to fraction form
    99,035.24/148,603.92 = 65,778.32/x
  3. Step 3: Cross multiply
    99,035.24x = 148,603.92 × 65,778.32
  4. Step 4: Simplify right side
    99,035.24x = 9,774,916,203.01
  5. Step 5: Solve for x
    x = 9,774,916,203.01/99,035.24
  6. Step 6: Final answer
    x = 98,701.39

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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.