Home / 74,350.71-102,601.22-42,518.79

Finding the Fourth Proportional to 74,350.71, 102,601.22 and 42,518.79

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Solution

The fourth proportional to 74,350.71, 102,601.22 and 42,518.79 is: 58,674.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,350.71 : 102,601.22 = 42,518.79 : x
  2. Step 2: Convert to fraction form
    74,350.71/102,601.22 = 42,518.79/x
  3. Step 3: Cross multiply
    74,350.71x = 102,601.22 × 42,518.79
  4. Step 4: Simplify right side
    74,350.71x = 4,362,479,514.33
  5. Step 5: Solve for x
    x = 4,362,479,514.33/74,350.71
  6. Step 6: Final answer
    x = 58,674.35

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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.