Home / 74,426.19-102,761.73-45,784.35

Finding the Fourth Proportional to 74,426.19, 102,761.73 and 45,784.35

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Solution

The fourth proportional to 74,426.19, 102,761.73 and 45,784.35 is: 63,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,426.19 : 102,761.73 = 45,784.35 : x
  2. Step 2: Convert to fraction form
    74,426.19/102,761.73 = 45,784.35/x
  3. Step 3: Cross multiply
    74,426.19x = 102,761.73 × 45,784.35
  4. Step 4: Simplify right side
    74,426.19x = 4,704,879,012.93
  5. Step 5: Solve for x
    x = 4,704,879,012.93/74,426.19
  6. Step 6: Final answer
    x = 63,215.37

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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.