Home / 74,224.89-102,444.05-42,393.78

Finding the Fourth Proportional to 74,224.89, 102,444.05 and 42,393.78

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Solution

The fourth proportional to 74,224.89, 102,444.05 and 42,393.78 is: 58,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,224.89 : 102,444.05 = 42,393.78 : x
  2. Step 2: Convert to fraction form
    74,224.89/102,444.05 = 42,393.78/x
  3. Step 3: Cross multiply
    74,224.89x = 102,444.05 × 42,393.78
  4. Step 4: Simplify right side
    74,224.89x = 4,342,990,623.99
  5. Step 5: Solve for x
    x = 4,342,990,623.99/74,224.89
  6. Step 6: Final answer
    x = 58,511.24

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1.5x scale

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.