Home / 55,700.25-83,429.36-34,287.70

Finding the Fourth Proportional to 55,700.25, 83,429.36 and 34,287.70

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Solution

The fourth proportional to 55,700.25, 83,429.36 and 34,287.70 is: 51,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,700.25 : 83,429.36 = 34,287.70 : x
  2. Step 2: Convert to fraction form
    55,700.25/83,429.36 = 34,287.70/x
  3. Step 3: Cross multiply
    55,700.25x = 83,429.36 × 34,287.70
  4. Step 4: Simplify right side
    55,700.25x = 2,860,600,486.86
  5. Step 5: Solve for x
    x = 2,860,600,486.86/55,700.25
  6. Step 6: Final answer
    x = 51,357.05

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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.