Home / 55,376.86-76,417.41-31,501.30

Finding the Fourth Proportional to 55,376.86, 76,417.41 and 31,501.30

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Solution

The fourth proportional to 55,376.86, 76,417.41 and 31,501.30 is: 43,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,376.86 : 76,417.41 = 31,501.30 : x
  2. Step 2: Convert to fraction form
    55,376.86/76,417.41 = 31,501.30/x
  3. Step 3: Cross multiply
    55,376.86x = 76,417.41 × 31,501.30
  4. Step 4: Simplify right side
    55,376.86x = 2,407,247,757.63
  5. Step 5: Solve for x
    x = 2,407,247,757.63/55,376.86
  6. Step 6: Final answer
    x = 43,470.28

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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.