Home / 74,526.24-102,888.72-49,409.76

Finding the Fourth Proportional to 74,526.24, 102,888.72 and 49,409.76

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Solution

The fourth proportional to 74,526.24, 102,888.72 and 49,409.76 is: 68,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,526.24 : 102,888.72 = 49,409.76 : x
  2. Step 2: Convert to fraction form
    74,526.24/102,888.72 = 49,409.76/x
  3. Step 3: Cross multiply
    74,526.24x = 102,888.72 × 49,409.76
  4. Step 4: Simplify right side
    74,526.24x = 5,083,706,961.91
  5. Step 5: Solve for x
    x = 5,083,706,961.91/74,526.24
  6. Step 6: Final answer
    x = 68,213.65

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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.