Home / 99,305.16-149,006.30-46,719.88

Finding the Fourth Proportional to 99,305.16, 149,006.30 and 46,719.88

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Solution

The fourth proportional to 99,305.16, 149,006.30 and 46,719.88 is: 70,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,305.16 : 149,006.30 = 46,719.88 : x
  2. Step 2: Convert to fraction form
    99,305.16/149,006.30 = 46,719.88/x
  3. Step 3: Cross multiply
    99,305.16x = 149,006.30 × 46,719.88
  4. Step 4: Simplify right side
    99,305.16x = 6,961,556,455.24
  5. Step 5: Solve for x
    x = 6,961,556,455.24/99,305.16
  6. Step 6: Final answer
    x = 70,102.67

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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.