Home / 102,168.18-141,008.99-59,718.51

Finding the Fourth Proportional to 102,168.18, 141,008.99 and 59,718.51

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Solution

The fourth proportional to 102,168.18, 141,008.99 and 59,718.51 is: 82,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,168.18 : 141,008.99 = 59,718.51 : x
  2. Step 2: Convert to fraction form
    102,168.18/141,008.99 = 59,718.51/x
  3. Step 3: Cross multiply
    102,168.18x = 141,008.99 × 59,718.51
  4. Step 4: Simplify right side
    102,168.18x = 8,420,846,480.81
  5. Step 5: Solve for x
    x = 8,420,846,480.81/102,168.18
  6. Step 6: Final answer
    x = 82,421.42

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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.