Home / 72,024.24-107,962.50-27,639.06

Finding the Fourth Proportional to 72,024.24, 107,962.50 and 27,639.06

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Solution

The fourth proportional to 72,024.24, 107,962.50 and 27,639.06 is: 41,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,024.24 : 107,962.50 = 27,639.06 : x
  2. Step 2: Convert to fraction form
    72,024.24/107,962.50 = 27,639.06/x
  3. Step 3: Cross multiply
    72,024.24x = 107,962.50 × 27,639.06
  4. Step 4: Simplify right side
    72,024.24x = 2,983,982,015.25
  5. Step 5: Solve for x
    x = 2,983,982,015.25/72,024.24
  6. Step 6: Final answer
    x = 41,430.25

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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.