Home / 92,851.02-128,142.34-52,571.88

Finding the Fourth Proportional to 92,851.02, 128,142.34 and 52,571.88

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Solution

The fourth proportional to 92,851.02, 128,142.34 and 52,571.88 is: 72,553.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,851.02 : 128,142.34 = 52,571.88 : x
  2. Step 2: Convert to fraction form
    92,851.02/128,142.34 = 52,571.88/x
  3. Step 3: Cross multiply
    92,851.02x = 128,142.34 × 52,571.88
  4. Step 4: Simplify right side
    92,851.02x = 6,736,683,589.97
  5. Step 5: Solve for x
    x = 6,736,683,589.97/92,851.02
  6. Step 6: Final answer
    x = 72,553.68

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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.