Home / 102,558.05-141,524.20-57,232.47

Finding the Fourth Proportional to 102,558.05, 141,524.20 and 57,232.47

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Solution

The fourth proportional to 102,558.05, 141,524.20 and 57,232.47 is: 78,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,558.05 : 141,524.20 = 57,232.47 : x
  2. Step 2: Convert to fraction form
    102,558.05/141,524.20 = 57,232.47/x
  3. Step 3: Cross multiply
    102,558.05x = 141,524.20 × 57,232.47
  4. Step 4: Simplify right side
    102,558.05x = 8,099,779,244.61
  5. Step 5: Solve for x
    x = 8,099,779,244.61/102,558.05
  6. Step 6: Final answer
    x = 78,977.51

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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.