Home / 57,528.10-85,830.05-51,213.13

Finding the Fourth Proportional to 57,528.10, 85,830.05 and 51,213.13

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Solution

The fourth proportional to 57,528.10, 85,830.05 and 51,213.13 is: 76,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,528.10 : 85,830.05 = 51,213.13 : x
  2. Step 2: Convert to fraction form
    57,528.10/85,830.05 = 51,213.13/x
  3. Step 3: Cross multiply
    57,528.10x = 85,830.05 × 51,213.13
  4. Step 4: Simplify right side
    57,528.10x = 4,395,625,508.56
  5. Step 5: Solve for x
    x = 4,395,625,508.56/57,528.10
  6. Step 6: Final answer
    x = 76,408.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.