Home / 99,313.35-148,951.80-61,806.30

Finding the Fourth Proportional to 99,313.35, 148,951.80 and 61,806.30

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Solution

The fourth proportional to 99,313.35, 148,951.80 and 61,806.30 is: 92,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,313.35 : 148,951.80 = 61,806.30 : x
  2. Step 2: Convert to fraction form
    99,313.35/148,951.80 = 61,806.30/x
  3. Step 3: Cross multiply
    99,313.35x = 148,951.80 × 61,806.30
  4. Step 4: Simplify right side
    99,313.35x = 9,206,159,636.34
  5. Step 5: Solve for x
    x = 9,206,159,636.34/99,313.35
  6. Step 6: Final answer
    x = 92,698.11

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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.