Home / 75,467.16-104,140.62-41,931

Finding the Fourth Proportional to 75,467.16, 104,140.62 and 41,931

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Solution

The fourth proportional to 75,467.16, 104,140.62 and 41,931 is: 57,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,467.16 : 104,140.62 = 41,931 : x
  2. Step 2: Convert to fraction form
    75,467.16/104,140.62 = 41,931/x
  3. Step 3: Cross multiply
    75,467.16x = 104,140.62 × 41,931
  4. Step 4: Simplify right side
    75,467.16x = 4,366,720,337.22
  5. Step 5: Solve for x
    x = 4,366,720,337.22/75,467.16
  6. Step 6: Final answer
    x = 57,862.52

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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.