Home / 57,986.95-79,988.29-32,831.59

Finding the Fourth Proportional to 57,986.95, 79,988.29 and 32,831.59

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Solution

The fourth proportional to 57,986.95, 79,988.29 and 32,831.59 is: 45,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,986.95 : 79,988.29 = 32,831.59 : x
  2. Step 2: Convert to fraction form
    57,986.95/79,988.29 = 32,831.59/x
  3. Step 3: Cross multiply
    57,986.95x = 79,988.29 × 32,831.59
  4. Step 4: Simplify right side
    57,986.95x = 2,626,142,742.08
  5. Step 5: Solve for x
    x = 2,626,142,742.08/57,986.95
  6. Step 6: Final answer
    x = 45,288.51

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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.