Home / 74,191.42-102,328.35-51,530.44

Finding the Fourth Proportional to 74,191.42, 102,328.35 and 51,530.44

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Solution

The fourth proportional to 74,191.42, 102,328.35 and 51,530.44 is: 71,073.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,191.42 : 102,328.35 = 51,530.44 : x
  2. Step 2: Convert to fraction form
    74,191.42/102,328.35 = 51,530.44/x
  3. Step 3: Cross multiply
    74,191.42x = 102,328.35 × 51,530.44
  4. Step 4: Simplify right side
    74,191.42x = 5,273,024,899.97
  5. Step 5: Solve for x
    x = 5,273,024,899.97/74,191.42
  6. Step 6: Final answer
    x = 71,073.24

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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.