Home / 55,296.98-76,309.83-31,423.70

Finding the Fourth Proportional to 55,296.98, 76,309.83 and 31,423.70

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Solution

The fourth proportional to 55,296.98, 76,309.83 and 31,423.70 is: 43,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296.98 : 76,309.83 = 31,423.70 : x
  2. Step 2: Convert to fraction form
    55,296.98/76,309.83 = 31,423.70/x
  3. Step 3: Cross multiply
    55,296.98x = 76,309.83 × 31,423.70
  4. Step 4: Simplify right side
    55,296.98x = 2,397,937,204.97
  5. Step 5: Solve for x
    x = 2,397,937,204.97/55,296.98
  6. Step 6: Final answer
    x = 43,364.70

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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.