Home / 101,271.90-151,911.51-38,086.23

Finding the Fourth Proportional to 101,271.90, 151,911.51 and 38,086.23

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Solution

The fourth proportional to 101,271.90, 151,911.51 and 38,086.23 is: 57,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,271.90 : 151,911.51 = 38,086.23 : x
  2. Step 2: Convert to fraction form
    101,271.90/151,911.51 = 38,086.23/x
  3. Step 3: Cross multiply
    101,271.90x = 151,911.51 × 38,086.23
  4. Step 4: Simplify right side
    101,271.90x = 5,785,736,709.51
  5. Step 5: Solve for x
    x = 5,785,736,709.51/101,271.90
  6. Step 6: Final answer
    x = 57,130.72

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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.