Home / 109,018.17-163,625.90-45,884.93

Finding the Fourth Proportional to 109,018.17, 163,625.90 and 45,884.93

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Solution

The fourth proportional to 109,018.17, 163,625.90 and 45,884.93 is: 68,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,018.17 : 163,625.90 = 45,884.93 : x
  2. Step 2: Convert to fraction form
    109,018.17/163,625.90 = 45,884.93/x
  3. Step 3: Cross multiply
    109,018.17x = 163,625.90 × 45,884.93
  4. Step 4: Simplify right side
    109,018.17x = 7,507,961,920.13
  5. Step 5: Solve for x
    x = 7,507,961,920.13/109,018.17
  6. Step 6: Final answer
    x = 68,868.90

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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.