Home / 60,721.28-91,009.25-42,925.03

Finding the Fourth Proportional to 60,721.28, 91,009.25 and 42,925.03

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Solution

The fourth proportional to 60,721.28, 91,009.25 and 42,925.03 is: 64,336.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,721.28 : 91,009.25 = 42,925.03 : x
  2. Step 2: Convert to fraction form
    60,721.28/91,009.25 = 42,925.03/x
  3. Step 3: Cross multiply
    60,721.28x = 91,009.25 × 42,925.03
  4. Step 4: Simplify right side
    60,721.28x = 3,906,574,786.53
  5. Step 5: Solve for x
    x = 3,906,574,786.53/60,721.28
  6. Step 6: Final answer
    x = 64,336.17

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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.