Home / 78,529.30-117,792.43-22,369.77

Finding the Fourth Proportional to 78,529.30, 117,792.43 and 22,369.77

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Solution

The fourth proportional to 78,529.30, 117,792.43 and 22,369.77 is: 33,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,529.30 : 117,792.43 = 22,369.77 : x
  2. Step 2: Convert to fraction form
    78,529.30/117,792.43 = 22,369.77/x
  3. Step 3: Cross multiply
    78,529.30x = 117,792.43 × 22,369.77
  4. Step 4: Simplify right side
    78,529.30x = 2,634,989,510.92
  5. Step 5: Solve for x
    x = 2,634,989,510.92/78,529.30
  6. Step 6: Final answer
    x = 33,554.22

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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.