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Finding the Fourth Proportional to 84,275.84, 116,295.84 and 50,322.64

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Solution

The fourth proportional to 84,275.84, 116,295.84 and 50,322.64 is: 69,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,275.84 : 116,295.84 = 50,322.64 : x
  2. Step 2: Convert to fraction form
    84,275.84/116,295.84 = 50,322.64/x
  3. Step 3: Cross multiply
    84,275.84x = 116,295.84 × 50,322.64
  4. Step 4: Simplify right side
    84,275.84x = 5,852,313,689.82
  5. Step 5: Solve for x
    x = 5,852,313,689.82/84,275.84
  6. Step 6: Final answer
    x = 69,442.37

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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.