Home / 73,021.52-109,533.15-25,637.80

Finding the Fourth Proportional to 73,021.52, 109,533.15 and 25,637.80

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Solution

The fourth proportional to 73,021.52, 109,533.15 and 25,637.80 is: 38,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,021.52 : 109,533.15 = 25,637.80 : x
  2. Step 2: Convert to fraction form
    73,021.52/109,533.15 = 25,637.80/x
  3. Step 3: Cross multiply
    73,021.52x = 109,533.15 × 25,637.80
  4. Step 4: Simplify right side
    73,021.52x = 2,808,188,719.24
  5. Step 5: Solve for x
    x = 2,808,188,719.24/73,021.52
  6. Step 6: Final answer
    x = 38,457.00

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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.