Home / 51,060.11-70,465.34-28,401.44

Finding the Fourth Proportional to 51,060.11, 70,465.34 and 28,401.44

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Solution

The fourth proportional to 51,060.11, 70,465.34 and 28,401.44 is: 39,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,060.11 : 70,465.34 = 28,401.44 : x
  2. Step 2: Convert to fraction form
    51,060.11/70,465.34 = 28,401.44/x
  3. Step 3: Cross multiply
    51,060.11x = 70,465.34 × 28,401.44
  4. Step 4: Simplify right side
    51,060.11x = 2,001,316,844.77
  5. Step 5: Solve for x
    x = 2,001,316,844.77/51,060.11
  6. Step 6: Final answer
    x = 39,195.31

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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.