Home / 53,146.53-79,665.12-18,059.76

Finding the Fourth Proportional to 53,146.53, 79,665.12 and 18,059.76

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Solution

The fourth proportional to 53,146.53, 79,665.12 and 18,059.76 is: 27,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146.53 : 79,665.12 = 18,059.76 : x
  2. Step 2: Convert to fraction form
    53,146.53/79,665.12 = 18,059.76/x
  3. Step 3: Cross multiply
    53,146.53x = 79,665.12 × 18,059.76
  4. Step 4: Simplify right side
    53,146.53x = 1,438,732,947.57
  5. Step 5: Solve for x
    x = 1,438,732,947.57/53,146.53
  6. Step 6: Final answer
    x = 27,071.06

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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.