Home / 94,728.20-142,092.30-66,465.80

Finding the Fourth Proportional to 94,728.20, 142,092.30 and 66,465.80

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Solution

The fourth proportional to 94,728.20, 142,092.30 and 66,465.80 is: 99,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,728.20 : 142,092.30 = 66,465.80 : x
  2. Step 2: Convert to fraction form
    94,728.20/142,092.30 = 66,465.80/x
  3. Step 3: Cross multiply
    94,728.20x = 142,092.30 × 66,465.80
  4. Step 4: Simplify right side
    94,728.20x = 9,444,278,393.34
  5. Step 5: Solve for x
    x = 9,444,278,393.34/94,728.20
  6. Step 6: Final answer
    x = 99,698.70

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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.