Home / 90,916.40-136,407.50-46,564.04

Finding the Fourth Proportional to 90,916.40, 136,407.50 and 46,564.04

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Solution

The fourth proportional to 90,916.40, 136,407.50 and 46,564.04 is: 69,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,916.40 : 136,407.50 = 46,564.04 : x
  2. Step 2: Convert to fraction form
    90,916.40/136,407.50 = 46,564.04/x
  3. Step 3: Cross multiply
    90,916.40x = 136,407.50 × 46,564.04
  4. Step 4: Simplify right side
    90,916.40x = 6,351,684,286.30
  5. Step 5: Solve for x
    x = 6,351,684,286.30/90,916.40
  6. Step 6: Final answer
    x = 69,862.91

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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.