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Finding the Fourth Proportional to 77,673.53, 116,510.27 and 33,271.49

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Solution

The fourth proportional to 77,673.53, 116,510.27 and 33,271.49 is: 49,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,673.53 : 116,510.27 = 33,271.49 : x
  2. Step 2: Convert to fraction form
    77,673.53/116,510.27 = 33,271.49/x
  3. Step 3: Cross multiply
    77,673.53x = 116,510.27 × 33,271.49
  4. Step 4: Simplify right side
    77,673.53x = 3,876,470,408.12
  5. Step 5: Solve for x
    x = 3,876,470,408.12/77,673.53
  6. Step 6: Final answer
    x = 49,907.22

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1.5x scale

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.