Home / 56,661.90-84,783.21-34,185.60

Finding the Fourth Proportional to 56,661.90, 84,783.21 and 34,185.60

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Solution

The fourth proportional to 56,661.90, 84,783.21 and 34,185.60 is: 51,151.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,661.90 : 84,783.21 = 34,185.60 : x
  2. Step 2: Convert to fraction form
    56,661.90/84,783.21 = 34,185.60/x
  3. Step 3: Cross multiply
    56,661.90x = 84,783.21 × 34,185.60
  4. Step 4: Simplify right side
    56,661.90x = 2,898,364,903.78
  5. Step 5: Solve for x
    x = 2,898,364,903.78/56,661.90
  6. Step 6: Final answer
    x = 51,151.92

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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.