Home / 84,039.24-115,979.58-46,313.40

Finding the Fourth Proportional to 84,039.24, 115,979.58 and 46,313.40

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Solution

The fourth proportional to 84,039.24, 115,979.58 and 46,313.40 is: 63,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,039.24 : 115,979.58 = 46,313.40 : x
  2. Step 2: Convert to fraction form
    84,039.24/115,979.58 = 46,313.40/x
  3. Step 3: Cross multiply
    84,039.24x = 115,979.58 × 46,313.40
  4. Step 4: Simplify right side
    84,039.24x = 5,371,408,680.37
  5. Step 5: Solve for x
    x = 5,371,408,680.37/84,039.24
  6. Step 6: Final answer
    x = 63,915.48

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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.