Home / 74,222.63-102,440.94-42,391.52

Finding the Fourth Proportional to 74,222.63, 102,440.94 and 42,391.52

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Solution

The fourth proportional to 74,222.63, 102,440.94 and 42,391.52 is: 58,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,222.63 : 102,440.94 = 42,391.52 : x
  2. Step 2: Convert to fraction form
    74,222.63/102,440.94 = 42,391.52/x
  3. Step 3: Cross multiply
    74,222.63x = 102,440.94 × 42,391.52
  4. Step 4: Simplify right side
    74,222.63x = 4,342,626,869.81
  5. Step 5: Solve for x
    x = 4,342,626,869.81/74,222.63
  6. Step 6: Final answer
    x = 58,508.13

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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.