Home / 90,837.65-136,284.12-46,495.52

Finding the Fourth Proportional to 90,837.65, 136,284.12 and 46,495.52

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Solution

The fourth proportional to 90,837.65, 136,284.12 and 46,495.52 is: 69,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,837.65 : 136,284.12 = 46,495.52 : x
  2. Step 2: Convert to fraction form
    90,837.65/136,284.12 = 46,495.52/x
  3. Step 3: Cross multiply
    90,837.65x = 136,284.12 × 46,495.52
  4. Step 4: Simplify right side
    90,837.65x = 6,336,600,856.79
  5. Step 5: Solve for x
    x = 6,336,600,856.79/90,837.65
  6. Step 6: Final answer
    x = 69,757.43

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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.