Home / 74,208.41-102,412.59-41,931.85

Finding the Fourth Proportional to 74,208.41, 102,412.59 and 41,931.85

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Solution

The fourth proportional to 74,208.41, 102,412.59 and 41,931.85 is: 57,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,208.41 : 102,412.59 = 41,931.85 : x
  2. Step 2: Convert to fraction form
    74,208.41/102,412.59 = 41,931.85/x
  3. Step 3: Cross multiply
    74,208.41x = 102,412.59 × 41,931.85
  4. Step 4: Simplify right side
    74,208.41x = 4,294,349,361.99
  5. Step 5: Solve for x
    x = 4,294,349,361.99/74,208.41
  6. Step 6: Final answer
    x = 57,868.77

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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.