Home / 60,645.78-90,816.75-38,392.02

Finding the Fourth Proportional to 60,645.78, 90,816.75 and 38,392.02

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Solution

The fourth proportional to 60,645.78, 90,816.75 and 38,392.02 is: 57,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,645.78 : 90,816.75 = 38,392.02 : x
  2. Step 2: Convert to fraction form
    60,645.78/90,816.75 = 38,392.02/x
  3. Step 3: Cross multiply
    60,645.78x = 90,816.75 × 38,392.02
  4. Step 4: Simplify right side
    60,645.78x = 3,486,638,482.34
  5. Step 5: Solve for x
    x = 3,486,638,482.34/60,645.78
  6. Step 6: Final answer
    x = 57,491.86

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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.