Home / 102,827.82-141,909.63-57,510.02

Finding the Fourth Proportional to 102,827.82, 141,909.63 and 57,510.02

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Solution

The fourth proportional to 102,827.82, 141,909.63 and 57,510.02 is: 79,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,827.82 : 141,909.63 = 57,510.02 : x
  2. Step 2: Convert to fraction form
    102,827.82/141,909.63 = 57,510.02/x
  3. Step 3: Cross multiply
    102,827.82x = 141,909.63 × 57,510.02
  4. Step 4: Simplify right side
    102,827.82x = 8,161,225,371.94
  5. Step 5: Solve for x
    x = 8,161,225,371.94/102,827.82
  6. Step 6: Final answer
    x = 79,367.87

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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.