Home / 50,829.64-70,143.02-29,320.28

Finding the Fourth Proportional to 50,829.64, 70,143.02 and 29,320.28

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Solution

The fourth proportional to 50,829.64, 70,143.02 and 29,320.28 is: 40,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,829.64 : 70,143.02 = 29,320.28 : x
  2. Step 2: Convert to fraction form
    50,829.64/70,143.02 = 29,320.28/x
  3. Step 3: Cross multiply
    50,829.64x = 70,143.02 × 29,320.28
  4. Step 4: Simplify right side
    50,829.64x = 2,056,612,986.45
  5. Step 5: Solve for x
    x = 2,056,612,986.45/50,829.64
  6. Step 6: Final answer
    x = 40,460.90

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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.