Home / 86,622.14-119,540.40-48,897.20

Finding the Fourth Proportional to 86,622.14, 119,540.40 and 48,897.20

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Solution

The fourth proportional to 86,622.14, 119,540.40 and 48,897.20 is: 67,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,622.14 : 119,540.40 = 48,897.20 : x
  2. Step 2: Convert to fraction form
    86,622.14/119,540.40 = 48,897.20/x
  3. Step 3: Cross multiply
    86,622.14x = 119,540.40 × 48,897.20
  4. Step 4: Simplify right side
    86,622.14x = 5,845,190,846.88
  5. Step 5: Solve for x
    x = 5,845,190,846.88/86,622.14
  6. Step 6: Final answer
    x = 67,479.18

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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.