Home / 68,190.81-94,140.14-47,835.24

Finding the Fourth Proportional to 68,190.81, 94,140.14 and 47,835.24

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Solution

The fourth proportional to 68,190.81, 94,140.14 and 47,835.24 is: 66,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,190.81 : 94,140.14 = 47,835.24 : x
  2. Step 2: Convert to fraction form
    68,190.81/94,140.14 = 47,835.24/x
  3. Step 3: Cross multiply
    68,190.81x = 94,140.14 × 47,835.24
  4. Step 4: Simplify right side
    68,190.81x = 4,503,215,951.36
  5. Step 5: Solve for x
    x = 4,503,215,951.36/68,190.81
  6. Step 6: Final answer
    x = 66,038.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.