Home / 53,145.14-73,343.61-29,271.80

Finding the Fourth Proportional to 53,145.14, 73,343.61 and 29,271.80

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Solution

The fourth proportional to 53,145.14, 73,343.61 and 29,271.80 is: 40,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145.14 : 73,343.61 = 29,271.80 : x
  2. Step 2: Convert to fraction form
    53,145.14/73,343.61 = 29,271.80/x
  3. Step 3: Cross multiply
    53,145.14x = 73,343.61 × 29,271.80
  4. Step 4: Simplify right side
    53,145.14x = 2,146,899,116.48
  5. Step 5: Solve for x
    x = 2,146,899,116.48/53,145.14
  6. Step 6: Final answer
    x = 40,396.91

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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.