Home / 83,480.04-115,202.93-45,754.29

Finding the Fourth Proportional to 83,480.04, 115,202.93 and 45,754.29

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Solution

The fourth proportional to 83,480.04, 115,202.93 and 45,754.29 is: 63,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,480.04 : 115,202.93 = 45,754.29 : x
  2. Step 2: Convert to fraction form
    83,480.04/115,202.93 = 45,754.29/x
  3. Step 3: Cross multiply
    83,480.04x = 115,202.93 × 45,754.29
  4. Step 4: Simplify right side
    83,480.04x = 5,271,028,039.30
  5. Step 5: Solve for x
    x = 5,271,028,039.30/83,480.04
  6. Step 6: Final answer
    x = 63,141.18

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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.