Home / 74,051.15-102,191.06-45,370.87

Finding the Fourth Proportional to 74,051.15, 102,191.06 and 45,370.87

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Solution

The fourth proportional to 74,051.15, 102,191.06 and 45,370.87 is: 62,612.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,051.15 : 102,191.06 = 45,370.87 : x
  2. Step 2: Convert to fraction form
    74,051.15/102,191.06 = 45,370.87/x
  3. Step 3: Cross multiply
    74,051.15x = 102,191.06 × 45,370.87
  4. Step 4: Simplify right side
    74,051.15x = 4,636,497,156.37
  5. Step 5: Solve for x
    x = 4,636,497,156.37/74,051.15
  6. Step 6: Final answer
    x = 62,612.09

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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.