Home / 84,219.68-116,220.24-50,210.64

Finding the Fourth Proportional to 84,219.68, 116,220.24 and 50,210.64

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Solution

The fourth proportional to 84,219.68, 116,220.24 and 50,210.64 is: 69,288.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,219.68 : 116,220.24 = 50,210.64 : x
  2. Step 2: Convert to fraction form
    84,219.68/116,220.24 = 50,210.64/x
  3. Step 3: Cross multiply
    84,219.68x = 116,220.24 × 50,210.64
  4. Step 4: Simplify right side
    84,219.68x = 5,835,492,631.35
  5. Step 5: Solve for x
    x = 5,835,492,631.35/84,219.68
  6. Step 6: Final answer
    x = 69,288.94

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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.