Home / 90,916.97-136,225.04-46,482.57

Finding the Fourth Proportional to 90,916.97, 136,225.04 and 46,482.57

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Solution

The fourth proportional to 90,916.97, 136,225.04 and 46,482.57 is: 69,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,916.97 : 136,225.04 = 46,482.57 : x
  2. Step 2: Convert to fraction form
    90,916.97/136,225.04 = 46,482.57/x
  3. Step 3: Cross multiply
    90,916.97x = 136,225.04 × 46,482.57
  4. Step 4: Simplify right side
    90,916.97x = 6,332,089,725.14
  5. Step 5: Solve for x
    x = 6,332,089,725.14/90,916.97
  6. Step 6: Final answer
    x = 69,646.95

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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.