Home / 76,858.89-115,291.87-23,547.05

Finding the Fourth Proportional to 76,858.89, 115,291.87 and 23,547.05

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Solution

The fourth proportional to 76,858.89, 115,291.87 and 23,547.05 is: 35,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,858.89 : 115,291.87 = 23,547.05 : x
  2. Step 2: Convert to fraction form
    76,858.89/115,291.87 = 23,547.05/x
  3. Step 3: Cross multiply
    76,858.89x = 115,291.87 × 23,547.05
  4. Step 4: Simplify right side
    76,858.89x = 2,714,782,792.16
  5. Step 5: Solve for x
    x = 2,714,782,792.16/76,858.89
  6. Step 6: Final answer
    x = 35,321.65

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1.5x scale

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.