Home / 69,016.29-103,482.62-45,018.52

Finding the Fourth Proportional to 69,016.29, 103,482.62 and 45,018.52

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Solution

The fourth proportional to 69,016.29, 103,482.62 and 45,018.52 is: 67,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,016.29 : 103,482.62 = 45,018.52 : x
  2. Step 2: Convert to fraction form
    69,016.29/103,482.62 = 45,018.52/x
  3. Step 3: Cross multiply
    69,016.29x = 103,482.62 × 45,018.52
  4. Step 4: Simplify right side
    69,016.29x = 4,658,634,398.12
  5. Step 5: Solve for x
    x = 4,658,634,398.12/69,016.29
  6. Step 6: Final answer
    x = 67,500.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.