Home / 99,090.23-148,650.81-32,515.21

Finding the Fourth Proportional to 99,090.23, 148,650.81 and 32,515.21

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Solution

The fourth proportional to 99,090.23, 148,650.81 and 32,515.21 is: 48,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,090.23 : 148,650.81 = 32,515.21 : x
  2. Step 2: Convert to fraction form
    99,090.23/148,650.81 = 32,515.21/x
  3. Step 3: Cross multiply
    99,090.23x = 148,650.81 × 32,515.21
  4. Step 4: Simplify right side
    99,090.23x = 4,833,411,397.99
  5. Step 5: Solve for x
    x = 4,833,411,397.99/99,090.23
  6. Step 6: Final answer
    x = 48,777.88

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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.