Home / 57,569.55-79,440.58-42,470.61

Finding the Fourth Proportional to 57,569.55, 79,440.58 and 42,470.61

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Solution

The fourth proportional to 57,569.55, 79,440.58 and 42,470.61 is: 58,605.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,569.55 : 79,440.58 = 42,470.61 : x
  2. Step 2: Convert to fraction form
    57,569.55/79,440.58 = 42,470.61/x
  3. Step 3: Cross multiply
    57,569.55x = 79,440.58 × 42,470.61
  4. Step 4: Simplify right side
    57,569.55x = 3,373,889,891.35
  5. Step 5: Solve for x
    x = 3,373,889,891.35/57,569.55
  6. Step 6: Final answer
    x = 58,605.46

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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.