Home / 99,065.92-148,603.58-31,605.12

Finding the Fourth Proportional to 99,065.92, 148,603.58 and 31,605.12

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Solution

The fourth proportional to 99,065.92, 148,603.58 and 31,605.12 is: 47,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,065.92 : 148,603.58 = 31,605.12 : x
  2. Step 2: Convert to fraction form
    99,065.92/148,603.58 = 31,605.12/x
  3. Step 3: Cross multiply
    99,065.92x = 148,603.58 × 31,605.12
  4. Step 4: Simplify right side
    99,065.92x = 4,696,633,235.31
  5. Step 5: Solve for x
    x = 4,696,633,235.31/99,065.92
  6. Step 6: Final answer
    x = 47,409.17

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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.