Home / 84,288.05-116,319.79-50,316.25

Finding the Fourth Proportional to 84,288.05, 116,319.79 and 50,316.25

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Solution

The fourth proportional to 84,288.05, 116,319.79 and 50,316.25 is: 69,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,288.05 : 116,319.79 = 50,316.25 : x
  2. Step 2: Convert to fraction form
    84,288.05/116,319.79 = 50,316.25/x
  3. Step 3: Cross multiply
    84,288.05x = 116,319.79 × 50,316.25
  4. Step 4: Simplify right side
    84,288.05x = 5,852,775,329.15
  5. Step 5: Solve for x
    x = 5,852,775,329.15/84,288.05
  6. Step 6: Final answer
    x = 69,437.79

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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.