Home / 84,038-115,972.44-46,312.25

Finding the Fourth Proportional to 84,038, 115,972.44 and 46,312.25

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Solution

The fourth proportional to 84,038, 115,972.44 and 46,312.25 is: 63,910.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,038 : 115,972.44 = 46,312.25 : x
  2. Step 2: Convert to fraction form
    84,038/115,972.44 = 46,312.25/x
  3. Step 3: Cross multiply
    84,038x = 115,972.44 × 46,312.25
  4. Step 4: Simplify right side
    84,038x = 5,370,944,634.39
  5. Step 5: Solve for x
    x = 5,370,944,634.39/84,038
  6. Step 6: Final answer
    x = 63,910.91

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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.