Home / 65,231.78-89,999.46-36,547.62

Finding the Fourth Proportional to 65,231.78, 89,999.46 and 36,547.62

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Solution

The fourth proportional to 65,231.78, 89,999.46 and 36,547.62 is: 50,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,231.78 : 89,999.46 = 36,547.62 : x
  2. Step 2: Convert to fraction form
    65,231.78/89,999.46 = 36,547.62/x
  3. Step 3: Cross multiply
    65,231.78x = 89,999.46 × 36,547.62
  4. Step 4: Simplify right side
    65,231.78x = 3,289,266,064.29
  5. Step 5: Solve for x
    x = 3,289,266,064.29/65,231.78
  6. Step 6: Final answer
    x = 50,424.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.