Home / 74,868.21-112,203.86-36,938.34

Finding the Fourth Proportional to 74,868.21, 112,203.86 and 36,938.34

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Solution

The fourth proportional to 74,868.21, 112,203.86 and 36,938.34 is: 55,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,868.21 : 112,203.86 = 36,938.34 : x
  2. Step 2: Convert to fraction form
    74,868.21/112,203.86 = 36,938.34/x
  3. Step 3: Cross multiply
    74,868.21x = 112,203.86 × 36,938.34
  4. Step 4: Simplify right side
    74,868.21x = 4,144,624,145.30
  5. Step 5: Solve for x
    x = 4,144,624,145.30/74,868.21
  6. Step 6: Final answer
    x = 55,358.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.