Home / 76,239.36-114,378.48-23,649.30

Finding the Fourth Proportional to 76,239.36, 114,378.48 and 23,649.30

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Solution

The fourth proportional to 76,239.36, 114,378.48 and 23,649.30 is: 35,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,239.36 : 114,378.48 = 23,649.30 : x
  2. Step 2: Convert to fraction form
    76,239.36/114,378.48 = 23,649.30/x
  3. Step 3: Cross multiply
    76,239.36x = 114,378.48 × 23,649.30
  4. Step 4: Simplify right side
    76,239.36x = 2,704,970,987.06
  5. Step 5: Solve for x
    x = 2,704,970,987.06/76,239.36
  6. Step 6: Final answer
    x = 35,479.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.