Home / 51,102.09-70,522.92-28,442.03

Finding the Fourth Proportional to 51,102.09, 70,522.92 and 28,442.03

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Solution

The fourth proportional to 51,102.09, 70,522.92 and 28,442.03 is: 39,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,102.09 : 70,522.92 = 28,442.03 : x
  2. Step 2: Convert to fraction form
    51,102.09/70,522.92 = 28,442.03/x
  3. Step 3: Cross multiply
    51,102.09x = 70,522.92 × 28,442.03
  4. Step 4: Simplify right side
    51,102.09x = 2,005,814,864.12
  5. Step 5: Solve for x
    x = 2,005,814,864.12/51,102.09
  6. Step 6: Final answer
    x = 39,251.14

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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.