Home / 123,677.28-170,674.29-67,088.52

Finding the Fourth Proportional to 123,677.28, 170,674.29 and 67,088.52

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Solution

The fourth proportional to 123,677.28, 170,674.29 and 67,088.52 is: 92,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,677.28 : 170,674.29 = 67,088.52 : x
  2. Step 2: Convert to fraction form
    123,677.28/170,674.29 = 67,088.52/x
  3. Step 3: Cross multiply
    123,677.28x = 170,674.29 × 67,088.52
  4. Step 4: Simplify right side
    123,677.28x = 11,450,285,518.15
  5. Step 5: Solve for x
    x = 11,450,285,518.15/123,677.28
  6. Step 6: Final answer
    x = 92,581.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.