Home / 99,810.30-149,715.45-95,873.70

Finding the Fourth Proportional to 99,810.30, 149,715.45 and 95,873.70

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Solution

The fourth proportional to 99,810.30, 149,715.45 and 95,873.70 is: 143,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,810.30 : 149,715.45 = 95,873.70 : x
  2. Step 2: Convert to fraction form
    99,810.30/149,715.45 = 95,873.70/x
  3. Step 3: Cross multiply
    99,810.30x = 149,715.45 × 95,873.70
  4. Step 4: Simplify right side
    99,810.30x = 14,353,774,138.67
  5. Step 5: Solve for x
    x = 14,353,774,138.67/99,810.30
  6. Step 6: Final answer
    x = 143,810.55

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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.