Home / 51,146.16-70,589.52-31,006.32

Finding the Fourth Proportional to 51,146.16, 70,589.52 and 31,006.32

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Solution

The fourth proportional to 51,146.16, 70,589.52 and 31,006.32 is: 42,793.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,146.16 : 70,589.52 = 31,006.32 : x
  2. Step 2: Convert to fraction form
    51,146.16/70,589.52 = 31,006.32/x
  3. Step 3: Cross multiply
    51,146.16x = 70,589.52 × 31,006.32
  4. Step 4: Simplify right side
    51,146.16x = 2,188,721,245.77
  5. Step 5: Solve for x
    x = 2,188,721,245.77/51,146.16
  6. Step 6: Final answer
    x = 42,793.46

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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.