Home / 82,780.12-114,237.04-45,054.46

Finding the Fourth Proportional to 82,780.12, 114,237.04 and 45,054.46

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Solution

The fourth proportional to 82,780.12, 114,237.04 and 45,054.46 is: 62,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,780.12 : 114,237.04 = 45,054.46 : x
  2. Step 2: Convert to fraction form
    82,780.12/114,237.04 = 45,054.46/x
  3. Step 3: Cross multiply
    82,780.12x = 114,237.04 × 45,054.46
  4. Step 4: Simplify right side
    82,780.12x = 5,146,888,149.20
  5. Step 5: Solve for x
    x = 5,146,888,149.20/82,780.12
  6. Step 6: Final answer
    x = 62,175.41

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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.