Home / 74,827.18-103,263.69-40,837.85

Finding the Fourth Proportional to 74,827.18, 103,263.69 and 40,837.85

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Solution

The fourth proportional to 74,827.18, 103,263.69 and 40,837.85 is: 56,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,827.18 : 103,263.69 = 40,837.85 : x
  2. Step 2: Convert to fraction form
    74,827.18/103,263.69 = 40,837.85/x
  3. Step 3: Cross multiply
    74,827.18x = 103,263.69 × 40,837.85
  4. Step 4: Simplify right side
    74,827.18x = 4,217,066,586.59
  5. Step 5: Solve for x
    x = 4,217,066,586.59/74,827.18
  6. Step 6: Final answer
    x = 56,357.42

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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.