Home / 90,876.74-136,345.68-46,491.57

Finding the Fourth Proportional to 90,876.74, 136,345.68 and 46,491.57

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Solution

The fourth proportional to 90,876.74, 136,345.68 and 46,491.57 is: 69,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876.74 : 136,345.68 = 46,491.57 : x
  2. Step 2: Convert to fraction form
    90,876.74/136,345.68 = 46,491.57/x
  3. Step 3: Cross multiply
    90,876.74x = 136,345.68 × 46,491.57
  4. Step 4: Simplify right side
    90,876.74x = 6,338,924,725.92
  5. Step 5: Solve for x
    x = 6,338,924,725.92/90,876.74
  6. Step 6: Final answer
    x = 69,753.00

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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.