Home / 109,632.45-164,459.42-45,577.35

Finding the Fourth Proportional to 109,632.45, 164,459.42 and 45,577.35

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Solution

The fourth proportional to 109,632.45, 164,459.42 and 45,577.35 is: 68,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,632.45 : 164,459.42 = 45,577.35 : x
  2. Step 2: Convert to fraction form
    109,632.45/164,459.42 = 45,577.35/x
  3. Step 3: Cross multiply
    109,632.45x = 164,459.42 × 45,577.35
  4. Step 4: Simplify right side
    109,632.45x = 7,495,624,546.14
  5. Step 5: Solve for x
    x = 7,495,624,546.14/109,632.45
  6. Step 6: Final answer
    x = 68,370.49

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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.