Home / 57,458.34-86,257.95-45,057.24

Finding the Fourth Proportional to 57,458.34, 86,257.95 and 45,057.24

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Solution

The fourth proportional to 57,458.34, 86,257.95 and 45,057.24 is: 67,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,458.34 : 86,257.95 = 45,057.24 : x
  2. Step 2: Convert to fraction form
    57,458.34/86,257.95 = 45,057.24/x
  3. Step 3: Cross multiply
    57,458.34x = 86,257.95 × 45,057.24
  4. Step 4: Simplify right side
    57,458.34x = 3,886,545,155.06
  5. Step 5: Solve for x
    x = 3,886,545,155.06/57,458.34
  6. Step 6: Final answer
    x = 67,641.10

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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.