Home / 75,478.02-104,159.75-41,486.49

Finding the Fourth Proportional to 75,478.02, 104,159.75 and 41,486.49

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Solution

The fourth proportional to 75,478.02, 104,159.75 and 41,486.49 is: 57,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,478.02 : 104,159.75 = 41,486.49 : x
  2. Step 2: Convert to fraction form
    75,478.02/104,159.75 = 41,486.49/x
  3. Step 3: Cross multiply
    75,478.02x = 104,159.75 × 41,486.49
  4. Step 4: Simplify right side
    75,478.02x = 4,321,222,426.78
  5. Step 5: Solve for x
    x = 4,321,222,426.78/75,478.02
  6. Step 6: Final answer
    x = 57,251.40

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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.