Home / 106,331.70-159,570.45-47,209.80

Finding the Fourth Proportional to 106,331.70, 159,570.45 and 47,209.80

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Solution

The fourth proportional to 106,331.70, 159,570.45 and 47,209.80 is: 70,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,331.70 : 159,570.45 = 47,209.80 : x
  2. Step 2: Convert to fraction form
    106,331.70/159,570.45 = 47,209.80/x
  3. Step 3: Cross multiply
    106,331.70x = 159,570.45 × 47,209.80
  4. Step 4: Simplify right side
    106,331.70x = 7,533,289,030.41
  5. Step 5: Solve for x
    x = 7,533,289,030.41/106,331.70
  6. Step 6: Final answer
    x = 70,847.07

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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.