Home / 102,719.09-153,866.38-60,468.98

Finding the Fourth Proportional to 102,719.09, 153,866.38 and 60,468.98

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Solution

The fourth proportional to 102,719.09, 153,866.38 and 60,468.98 is: 90,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,719.09 : 153,866.38 = 60,468.98 : x
  2. Step 2: Convert to fraction form
    102,719.09/153,866.38 = 60,468.98/x
  3. Step 3: Cross multiply
    102,719.09x = 153,866.38 × 60,468.98
  4. Step 4: Simplify right side
    102,719.09x = 9,304,143,054.89
  5. Step 5: Solve for x
    x = 9,304,143,054.89/102,719.09
  6. Step 6: Final answer
    x = 90,578.52

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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.