Home / 99,607.88-149,426.40-36,431.12

Finding the Fourth Proportional to 99,607.88, 149,426.40 and 36,431.12

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Solution

The fourth proportional to 99,607.88, 149,426.40 and 36,431.12 is: 54,652.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,607.88 : 149,426.40 = 36,431.12 : x
  2. Step 2: Convert to fraction form
    99,607.88/149,426.40 = 36,431.12/x
  3. Step 3: Cross multiply
    99,607.88x = 149,426.40 × 36,431.12
  4. Step 4: Simplify right side
    99,607.88x = 5,443,771,109.57
  5. Step 5: Solve for x
    x = 5,443,771,109.57/99,607.88
  6. Step 6: Final answer
    x = 54,652.01

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1.5x scale

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.