Home / 55,210.48-76,190.82-31,337.55

Finding the Fourth Proportional to 55,210.48, 76,190.82 and 31,337.55

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Solution

The fourth proportional to 55,210.48, 76,190.82 and 31,337.55 is: 43,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,210.48 : 76,190.82 = 31,337.55 : x
  2. Step 2: Convert to fraction form
    55,210.48/76,190.82 = 31,337.55/x
  3. Step 3: Cross multiply
    55,210.48x = 76,190.82 × 31,337.55
  4. Step 4: Simplify right side
    55,210.48x = 2,387,633,631.29
  5. Step 5: Solve for x
    x = 2,387,633,631.29/55,210.48
  6. Step 6: Final answer
    x = 43,246.03

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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.