Home / 110,684.73-152,756.67-67,689.36

Finding the Fourth Proportional to 110,684.73, 152,756.67 and 67,689.36

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Solution

The fourth proportional to 110,684.73, 152,756.67 and 67,689.36 is: 93,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,684.73 : 152,756.67 = 67,689.36 : x
  2. Step 2: Convert to fraction form
    110,684.73/152,756.67 = 67,689.36/x
  3. Step 3: Cross multiply
    110,684.73x = 152,756.67 × 67,689.36
  4. Step 4: Simplify right side
    110,684.73x = 10,340,001,228.03
  5. Step 5: Solve for x
    x = 10,340,001,228.03/110,684.73
  6. Step 6: Final answer
    x = 93,418.50

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1.5x scale

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.