Home / 109,693.17-164,635.74-53,574.75

Finding the Fourth Proportional to 109,693.17, 164,635.74 and 53,574.75

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Solution

The fourth proportional to 109,693.17, 164,635.74 and 53,574.75 is: 80,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,693.17 : 164,635.74 = 53,574.75 : x
  2. Step 2: Convert to fraction form
    109,693.17/164,635.74 = 53,574.75/x
  3. Step 3: Cross multiply
    109,693.17x = 164,635.74 × 53,574.75
  4. Step 4: Simplify right side
    109,693.17x = 8,820,318,611.57
  5. Step 5: Solve for x
    x = 8,820,318,611.57/109,693.17
  6. Step 6: Final answer
    x = 80,409.00

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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.