Home / 55,698.74-76,899.20-38,697.51

Finding the Fourth Proportional to 55,698.74, 76,899.20 and 38,697.51

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Solution

The fourth proportional to 55,698.74, 76,899.20 and 38,697.51 is: 53,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,698.74 : 76,899.20 = 38,697.51 : x
  2. Step 2: Convert to fraction form
    55,698.74/76,899.20 = 38,697.51/x
  3. Step 3: Cross multiply
    55,698.74x = 76,899.20 × 38,697.51
  4. Step 4: Simplify right side
    55,698.74x = 2,975,807,367.50
  5. Step 5: Solve for x
    x = 2,975,807,367.50/55,698.74
  6. Step 6: Final answer
    x = 53,426.84

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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.