Home / 124,572.32-171,913.96-67,986.80

Finding the Fourth Proportional to 124,572.32, 171,913.96 and 67,986.80

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Solution

The fourth proportional to 124,572.32, 171,913.96 and 67,986.80 is: 93,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,572.32 : 171,913.96 = 67,986.80 : x
  2. Step 2: Convert to fraction form
    124,572.32/171,913.96 = 67,986.80/x
  3. Step 3: Cross multiply
    124,572.32x = 171,913.96 × 67,986.80
  4. Step 4: Simplify right side
    124,572.32x = 11,687,880,015.73
  5. Step 5: Solve for x
    x = 11,687,880,015.73/124,572.32
  6. Step 6: Final answer
    x = 93,824.05

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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.