Home / 75,685.28-113,527.94-31,263.20

Finding the Fourth Proportional to 75,685.28, 113,527.94 and 31,263.20

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Solution

The fourth proportional to 75,685.28, 113,527.94 and 31,263.20 is: 46,894.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,685.28 : 113,527.94 = 31,263.20 : x
  2. Step 2: Convert to fraction form
    75,685.28/113,527.94 = 31,263.20/x
  3. Step 3: Cross multiply
    75,685.28x = 113,527.94 × 31,263.20
  4. Step 4: Simplify right side
    75,685.28x = 3,549,246,693.81
  5. Step 5: Solve for x
    x = 3,549,246,693.81/75,685.28
  6. Step 6: Final answer
    x = 46,894.81

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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.