Home / 42,970.76-64,453.54-25,551.44

Finding the Fourth Proportional to 42,970.76, 64,453.54 and 25,551.44

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Solution

The fourth proportional to 42,970.76, 64,453.54 and 25,551.44 is: 38,325.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,970.76 : 64,453.54 = 25,551.44 : x
  2. Step 2: Convert to fraction form
    42,970.76/64,453.54 = 25,551.44/x
  3. Step 3: Cross multiply
    42,970.76x = 64,453.54 × 25,551.44
  4. Step 4: Simplify right side
    42,970.76x = 1,646,880,760.10
  5. Step 5: Solve for x
    x = 1,646,880,760.10/42,970.76
  6. Step 6: Final answer
    x = 38,325.61

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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.