Home / 51,234.06-70,708.08-38,290.86

Finding the Fourth Proportional to 51,234.06, 70,708.08 and 38,290.86

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Solution

The fourth proportional to 51,234.06, 70,708.08 and 38,290.86 is: 52,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,234.06 : 70,708.08 = 38,290.86 : x
  2. Step 2: Convert to fraction form
    51,234.06/70,708.08 = 38,290.86/x
  3. Step 3: Cross multiply
    51,234.06x = 70,708.08 × 38,290.86
  4. Step 4: Simplify right side
    51,234.06x = 2,707,473,192.15
  5. Step 5: Solve for x
    x = 2,707,473,192.15/51,234.06
  6. Step 6: Final answer
    x = 52,845.18

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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.