Home / 42,076.80-58,072.32-25,313.28

Finding the Fourth Proportional to 42,076.80, 58,072.32 and 25,313.28

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Solution

The fourth proportional to 42,076.80, 58,072.32 and 25,313.28 is: 34,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,076.80 : 58,072.32 = 25,313.28 : x
  2. Step 2: Convert to fraction form
    42,076.80/58,072.32 = 25,313.28/x
  3. Step 3: Cross multiply
    42,076.80x = 58,072.32 × 25,313.28
  4. Step 4: Simplify right side
    42,076.80x = 1,470,000,896.41
  5. Step 5: Solve for x
    x = 1,470,000,896.41/42,076.80
  6. Step 6: Final answer
    x = 34,936.14

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1.5x scale

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.