Home / 71,187.07-98,235.03-40,973.36

Finding the Fourth Proportional to 71,187.07, 98,235.03 and 40,973.36

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Solution

The fourth proportional to 71,187.07, 98,235.03 and 40,973.36 is: 56,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,187.07 : 98,235.03 = 40,973.36 : x
  2. Step 2: Convert to fraction form
    71,187.07/98,235.03 = 40,973.36/x
  3. Step 3: Cross multiply
    71,187.07x = 98,235.03 × 40,973.36
  4. Step 4: Simplify right side
    71,187.07x = 4,025,018,757.63
  5. Step 5: Solve for x
    x = 4,025,018,757.63/71,187.07
  6. Step 6: Final answer
    x = 56,541.43

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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.