Home / 97,141.28-145,721.63-27,020.59

Finding the Fourth Proportional to 97,141.28, 145,721.63 and 27,020.59

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Solution

The fourth proportional to 97,141.28, 145,721.63 and 27,020.59 is: 40,533.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,141.28 : 145,721.63 = 27,020.59 : x
  2. Step 2: Convert to fraction form
    97,141.28/145,721.63 = 27,020.59/x
  3. Step 3: Cross multiply
    97,141.28x = 145,721.63 × 27,020.59
  4. Step 4: Simplify right side
    97,141.28x = 3,937,484,121.61
  5. Step 5: Solve for x
    x = 3,937,484,121.61/97,141.28
  6. Step 6: Final answer
    x = 40,533.58

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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.