Home / 52,778.02-72,839.51-30,122.59

Finding the Fourth Proportional to 52,778.02, 72,839.51 and 30,122.59

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Solution

The fourth proportional to 52,778.02, 72,839.51 and 30,122.59 is: 41,572.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.02 : 72,839.51 = 30,122.59 : x
  2. Step 2: Convert to fraction form
    52,778.02/72,839.51 = 30,122.59/x
  3. Step 3: Cross multiply
    52,778.02x = 72,839.51 × 30,122.59
  4. Step 4: Simplify right side
    52,778.02x = 2,194,114,695.53
  5. Step 5: Solve for x
    x = 2,194,114,695.53/52,778.02
  6. Step 6: Final answer
    x = 41,572.51

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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.