Home / 55,192.92-76,159.98-31,313.40

Finding the Fourth Proportional to 55,192.92, 76,159.98 and 31,313.40

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Solution

The fourth proportional to 55,192.92, 76,159.98 and 31,313.40 is: 43,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,192.92 : 76,159.98 = 31,313.40 : x
  2. Step 2: Convert to fraction form
    55,192.92/76,159.98 = 31,313.40/x
  3. Step 3: Cross multiply
    55,192.92x = 76,159.98 × 31,313.40
  4. Step 4: Simplify right side
    55,192.92x = 2,384,827,917.73
  5. Step 5: Solve for x
    x = 2,384,827,917.73/55,192.92
  6. Step 6: Final answer
    x = 43,208.95

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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.