Home / 57,932.48-79,987.56-45,199.40

Finding the Fourth Proportional to 57,932.48, 79,987.56 and 45,199.40

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Solution

The fourth proportional to 57,932.48, 79,987.56 and 45,199.40 is: 62,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,932.48 : 79,987.56 = 45,199.40 : x
  2. Step 2: Convert to fraction form
    57,932.48/79,987.56 = 45,199.40/x
  3. Step 3: Cross multiply
    57,932.48x = 79,987.56 × 45,199.40
  4. Step 4: Simplify right side
    57,932.48x = 3,615,389,719.46
  5. Step 5: Solve for x
    x = 3,615,389,719.46/57,932.48
  6. Step 6: Final answer
    x = 62,406.96

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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.