Home / 94,811.40-142,119.90-55,348.20

Finding the Fourth Proportional to 94,811.40, 142,119.90 and 55,348.20

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Solution

The fourth proportional to 94,811.40, 142,119.90 and 55,348.20 is: 82,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,811.40 : 142,119.90 = 55,348.20 : x
  2. Step 2: Convert to fraction form
    94,811.40/142,119.90 = 55,348.20/x
  3. Step 3: Cross multiply
    94,811.40x = 142,119.90 × 55,348.20
  4. Step 4: Simplify right side
    94,811.40x = 7,866,080,649.18
  5. Step 5: Solve for x
    x = 7,866,080,649.18/94,811.40
  6. Step 6: Final answer
    x = 82,965.56

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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.