Home / 74,426.58-102,707.97-40,434.33

Finding the Fourth Proportional to 74,426.58, 102,707.97 and 40,434.33

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Solution

The fourth proportional to 74,426.58, 102,707.97 and 40,434.33 is: 55,798.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,426.58 : 102,707.97 = 40,434.33 : x
  2. Step 2: Convert to fraction form
    74,426.58/102,707.97 = 40,434.33/x
  3. Step 3: Cross multiply
    74,426.58x = 102,707.97 × 40,434.33
  4. Step 4: Simplify right side
    74,426.58x = 4,152,927,952.61
  5. Step 5: Solve for x
    x = 4,152,927,952.61/74,426.58
  6. Step 6: Final answer
    x = 55,798.99

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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.