Home / 99,563.18-149,317.43-36,371.63

Finding the Fourth Proportional to 99,563.18, 149,317.43 and 36,371.63

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Solution

The fourth proportional to 99,563.18, 149,317.43 and 36,371.63 is: 54,547.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,563.18 : 149,317.43 = 36,371.63 : x
  2. Step 2: Convert to fraction form
    99,563.18/149,317.43 = 36,371.63/x
  3. Step 3: Cross multiply
    99,563.18x = 149,317.43 × 36,371.63
  4. Step 4: Simplify right side
    99,563.18x = 5,430,918,507.95
  5. Step 5: Solve for x
    x = 5,430,918,507.95/99,563.18
  6. Step 6: Final answer
    x = 54,547.46

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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.