Home / 57,023.07-78,688.67-31,527.95

Finding the Fourth Proportional to 57,023.07, 78,688.67 and 31,527.95

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Solution

The fourth proportional to 57,023.07, 78,688.67 and 31,527.95 is: 43,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,023.07 : 78,688.67 = 31,527.95 : x
  2. Step 2: Convert to fraction form
    57,023.07/78,688.67 = 31,527.95/x
  3. Step 3: Cross multiply
    57,023.07x = 78,688.67 × 31,527.95
  4. Step 4: Simplify right side
    57,023.07x = 2,480,892,453.33
  5. Step 5: Solve for x
    x = 2,480,892,453.33/57,023.07
  6. Step 6: Final answer
    x = 43,506.82

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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.