Home / 93,121.09-139,686.25-26,571.02

Finding the Fourth Proportional to 93,121.09, 139,686.25 and 26,571.02

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Solution

The fourth proportional to 93,121.09, 139,686.25 and 26,571.02 is: 39,857.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,121.09 : 139,686.25 = 26,571.02 : x
  2. Step 2: Convert to fraction form
    93,121.09/139,686.25 = 26,571.02/x
  3. Step 3: Cross multiply
    93,121.09x = 139,686.25 × 26,571.02
  4. Step 4: Simplify right side
    93,121.09x = 3,711,606,895.89
  5. Step 5: Solve for x
    x = 3,711,606,895.89/93,121.09
  6. Step 6: Final answer
    x = 39,857.85

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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.