Home / 97,612.02-134,736.21-57,324.78

Finding the Fourth Proportional to 97,612.02, 134,736.21 and 57,324.78

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Solution

The fourth proportional to 97,612.02, 134,736.21 and 57,324.78 is: 79,126.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,612.02 : 134,736.21 = 57,324.78 : x
  2. Step 2: Convert to fraction form
    97,612.02/134,736.21 = 57,324.78/x
  3. Step 3: Cross multiply
    97,612.02x = 134,736.21 × 57,324.78
  4. Step 4: Simplify right side
    97,612.02x = 7,723,723,596.28
  5. Step 5: Solve for x
    x = 7,723,723,596.28/97,612.02
  6. Step 6: Final answer
    x = 79,126.77

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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.