Home / 74,087.00-102,239.01-42,256.43

Finding the Fourth Proportional to 74,087.00, 102,239.01 and 42,256.43

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Solution

The fourth proportional to 74,087.00, 102,239.01 and 42,256.43 is: 58,313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,087.00 : 102,239.01 = 42,256.43 : x
  2. Step 2: Convert to fraction form
    74,087.00/102,239.01 = 42,256.43/x
  3. Step 3: Cross multiply
    74,087.00x = 102,239.01 × 42,256.43
  4. Step 4: Simplify right side
    74,087.00x = 4,320,255,058.14
  5. Step 5: Solve for x
    x = 4,320,255,058.14/74,087.00
  6. Step 6: Final answer
    x = 58,313.27

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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.