Home / 52,768.02-72,813.09-30,105.70

Finding the Fourth Proportional to 52,768.02, 72,813.09 and 30,105.70

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Solution

The fourth proportional to 52,768.02, 72,813.09 and 30,105.70 is: 41,542.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,768.02 : 72,813.09 = 30,105.70 : x
  2. Step 2: Convert to fraction form
    52,768.02/72,813.09 = 30,105.70/x
  3. Step 3: Cross multiply
    52,768.02x = 72,813.09 × 30,105.70
  4. Step 4: Simplify right side
    52,768.02x = 2,192,089,043.61
  5. Step 5: Solve for x
    x = 2,192,089,043.61/52,768.02
  6. Step 6: Final answer
    x = 41,542.00

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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.