Home / 85,847.19-128,798.79-41,479.03

Finding the Fourth Proportional to 85,847.19, 128,798.79 and 41,479.03

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Solution

The fourth proportional to 85,847.19, 128,798.79 and 41,479.03 is: 62,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,847.19 : 128,798.79 = 41,479.03 : x
  2. Step 2: Convert to fraction form
    85,847.19/128,798.79 = 41,479.03/x
  3. Step 3: Cross multiply
    85,847.19x = 128,798.79 × 41,479.03
  4. Step 4: Simplify right side
    85,847.19x = 5,342,448,874.37
  5. Step 5: Solve for x
    x = 5,342,448,874.37/85,847.19
  6. Step 6: Final answer
    x = 62,232.08

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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.