Home / 55,649.02-76,822.24-31,771.08

Finding the Fourth Proportional to 55,649.02, 76,822.24 and 31,771.08

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Solution

The fourth proportional to 55,649.02, 76,822.24 and 31,771.08 is: 43,859.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,649.02 : 76,822.24 = 31,771.08 : x
  2. Step 2: Convert to fraction form
    55,649.02/76,822.24 = 31,771.08/x
  3. Step 3: Cross multiply
    55,649.02x = 76,822.24 × 31,771.08
  4. Step 4: Simplify right side
    55,649.02x = 2,440,725,532.82
  5. Step 5: Solve for x
    x = 2,440,725,532.82/55,649.02
  6. Step 6: Final answer
    x = 43,859.27

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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.