Home / 74,623.61-102,947.31-50,416.79

Finding the Fourth Proportional to 74,623.61, 102,947.31 and 50,416.79

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Solution

The fourth proportional to 74,623.61, 102,947.31 and 50,416.79 is: 69,552.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,623.61 : 102,947.31 = 50,416.79 : x
  2. Step 2: Convert to fraction form
    74,623.61/102,947.31 = 50,416.79/x
  3. Step 3: Cross multiply
    74,623.61x = 102,947.31 × 50,416.79
  4. Step 4: Simplify right side
    74,623.61x = 5,190,272,909.33
  5. Step 5: Solve for x
    x = 5,190,272,909.33/74,623.61
  6. Step 6: Final answer
    x = 69,552.69

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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.