Home / 86,219.04-118,964.43-50,402.10

Finding the Fourth Proportional to 86,219.04, 118,964.43 and 50,402.10

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Solution

The fourth proportional to 86,219.04, 118,964.43 and 50,402.10 is: 69,544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,219.04 : 118,964.43 = 50,402.10 : x
  2. Step 2: Convert to fraction form
    86,219.04/118,964.43 = 50,402.10/x
  3. Step 3: Cross multiply
    86,219.04x = 118,964.43 × 50,402.10
  4. Step 4: Simplify right side
    86,219.04x = 5,996,057,097.30
  5. Step 5: Solve for x
    x = 5,996,057,097.30/86,219.04
  6. Step 6: Final answer
    x = 69,544.47

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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.