Home / 75,770.37-104,575.43-45,586.20

Finding the Fourth Proportional to 75,770.37, 104,575.43 and 45,586.20

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Solution

The fourth proportional to 75,770.37, 104,575.43 and 45,586.20 is: 62,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,770.37 : 104,575.43 = 45,586.20 : x
  2. Step 2: Convert to fraction form
    75,770.37/104,575.43 = 45,586.20/x
  3. Step 3: Cross multiply
    75,770.37x = 104,575.43 × 45,586.20
  4. Step 4: Simplify right side
    75,770.37x = 4,767,196,467.07
  5. Step 5: Solve for x
    x = 4,767,196,467.07/75,770.37
  6. Step 6: Final answer
    x = 62,916.37

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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.