Home / 101,160.24-139,601.13-55,838.23

Finding the Fourth Proportional to 101,160.24, 139,601.13 and 55,838.23

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Solution

The fourth proportional to 101,160.24, 139,601.13 and 55,838.23 is: 77,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,160.24 : 139,601.13 = 55,838.23 : x
  2. Step 2: Convert to fraction form
    101,160.24/139,601.13 = 55,838.23/x
  3. Step 3: Cross multiply
    101,160.24x = 139,601.13 × 55,838.23
  4. Step 4: Simplify right side
    101,160.24x = 7,795,080,389.09
  5. Step 5: Solve for x
    x = 7,795,080,389.09/101,160.24
  6. Step 6: Final answer
    x = 77,056.76

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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.