Home / 102,821.49-141,834.51-60,371.82

Finding the Fourth Proportional to 102,821.49, 141,834.51 and 60,371.82

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Solution

The fourth proportional to 102,821.49, 141,834.51 and 60,371.82 is: 83,278.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,821.49 : 141,834.51 = 60,371.82 : x
  2. Step 2: Convert to fraction form
    102,821.49/141,834.51 = 60,371.82/x
  3. Step 3: Cross multiply
    102,821.49x = 141,834.51 × 60,371.82
  4. Step 4: Simplify right side
    102,821.49x = 8,562,807,507.51
  5. Step 5: Solve for x
    x = 8,562,807,507.51/102,821.49
  6. Step 6: Final answer
    x = 83,278.38

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1.5x scale

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.