Home / 102,718.09-153,864.89-60,467.98

Finding the Fourth Proportional to 102,718.09, 153,864.89 and 60,467.98

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Solution

The fourth proportional to 102,718.09, 153,864.89 and 60,467.98 is: 90,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,718.09 : 153,864.89 = 60,467.98 : x
  2. Step 2: Convert to fraction form
    102,718.09/153,864.89 = 60,467.98/x
  3. Step 3: Cross multiply
    102,718.09x = 153,864.89 × 60,467.98
  4. Step 4: Simplify right side
    102,718.09x = 9,303,898,788.88
  5. Step 5: Solve for x
    x = 9,303,898,788.88/102,718.09
  6. Step 6: Final answer
    x = 90,577.02

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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.