Home / 109,690.29-164,501.41-39,560.49

Finding the Fourth Proportional to 109,690.29, 164,501.41 and 39,560.49

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Solution

The fourth proportional to 109,690.29, 164,501.41 and 39,560.49 is: 59,328.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,690.29 : 164,501.41 = 39,560.49 : x
  2. Step 2: Convert to fraction form
    109,690.29/164,501.41 = 39,560.49/x
  3. Step 3: Cross multiply
    109,690.29x = 164,501.41 × 39,560.49
  4. Step 4: Simplify right side
    109,690.29x = 6,507,756,385.29
  5. Step 5: Solve for x
    x = 6,507,756,385.29/109,690.29
  6. Step 6: Final answer
    x = 59,328.46

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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.