Home / 85,575.33-128,308.32-41,113.62

Finding the Fourth Proportional to 85,575.33, 128,308.32 and 41,113.62

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Solution

The fourth proportional to 85,575.33, 128,308.32 and 41,113.62 is: 61,644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,575.33 : 128,308.32 = 41,113.62 : x
  2. Step 2: Convert to fraction form
    85,575.33/128,308.32 = 41,113.62/x
  3. Step 3: Cross multiply
    85,575.33x = 128,308.32 × 41,113.62
  4. Step 4: Simplify right side
    85,575.33x = 5,275,219,511.32
  5. Step 5: Solve for x
    x = 5,275,219,511.32/85,575.33
  6. Step 6: Final answer
    x = 61,644.16

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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.