Home / 99,837.32-149,676.30-57,669.32

Finding the Fourth Proportional to 99,837.32, 149,676.30 and 57,669.32

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Solution

The fourth proportional to 99,837.32, 149,676.30 and 57,669.32 is: 86,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,837.32 : 149,676.30 = 57,669.32 : x
  2. Step 2: Convert to fraction form
    99,837.32/149,676.30 = 57,669.32/x
  3. Step 3: Cross multiply
    99,837.32x = 149,676.30 × 57,669.32
  4. Step 4: Simplify right side
    99,837.32x = 8,631,730,441.12
  5. Step 5: Solve for x
    x = 8,631,730,441.12/99,837.32
  6. Step 6: Final answer
    x = 86,457.95

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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.