Home / 74,396.16-111,484.89-58,638.87

Finding the Fourth Proportional to 74,396.16, 111,484.89 and 58,638.87

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Solution

The fourth proportional to 74,396.16, 111,484.89 and 58,638.87 is: 87,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,396.16 : 111,484.89 = 58,638.87 : x
  2. Step 2: Convert to fraction form
    74,396.16/111,484.89 = 58,638.87/x
  3. Step 3: Cross multiply
    74,396.16x = 111,484.89 × 58,638.87
  4. Step 4: Simplify right side
    74,396.16x = 6,537,347,971.67
  5. Step 5: Solve for x
    x = 6,537,347,971.67/74,396.16
  6. Step 6: Final answer
    x = 87,872.12

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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.