Home / 99,812.30-149,718.45-95,875.70

Finding the Fourth Proportional to 99,812.30, 149,718.45 and 95,875.70

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Solution

The fourth proportional to 99,812.30, 149,718.45 and 95,875.70 is: 143,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,812.30 : 149,718.45 = 95,875.70 : x
  2. Step 2: Convert to fraction form
    99,812.30/149,718.45 = 95,875.70/x
  3. Step 3: Cross multiply
    99,812.30x = 149,718.45 × 95,875.70
  4. Step 4: Simplify right side
    99,812.30x = 14,354,361,196.67
  5. Step 5: Solve for x
    x = 14,354,361,196.67/99,812.30
  6. Step 6: Final answer
    x = 143,813.55

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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.