Home / 74,513.48-111,779.45-23,915.87

Finding the Fourth Proportional to 74,513.48, 111,779.45 and 23,915.87

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Solution

The fourth proportional to 74,513.48, 111,779.45 and 23,915.87 is: 35,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,513.48 : 111,779.45 = 23,915.87 : x
  2. Step 2: Convert to fraction form
    74,513.48/111,779.45 = 23,915.87/x
  3. Step 3: Cross multiply
    74,513.48x = 111,779.45 × 23,915.87
  4. Step 4: Simplify right side
    74,513.48x = 2,673,302,799.26
  5. Step 5: Solve for x
    x = 2,673,302,799.26/74,513.48
  6. Step 6: Final answer
    x = 35,876.77

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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.