Home / 53,935.91-80,905.02-13,955.76

Finding the Fourth Proportional to 53,935.91, 80,905.02 and 13,955.76

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Solution

The fourth proportional to 53,935.91, 80,905.02 and 13,955.76 is: 20,933.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,935.91 : 80,905.02 = 13,955.76 : x
  2. Step 2: Convert to fraction form
    53,935.91/80,905.02 = 13,955.76/x
  3. Step 3: Cross multiply
    53,935.91x = 80,905.02 × 13,955.76
  4. Step 4: Simplify right side
    53,935.91x = 1,129,091,076.80
  5. Step 5: Solve for x
    x = 1,129,091,076.80/53,935.91
  6. Step 6: Final answer
    x = 20,933.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.