Home / 84,037.50-115,971.75-46,312.56

Finding the Fourth Proportional to 84,037.50, 115,971.75 and 46,312.56

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Solution

The fourth proportional to 84,037.50, 115,971.75 and 46,312.56 is: 63,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,037.50 : 115,971.75 = 46,312.56 : x
  2. Step 2: Convert to fraction form
    84,037.50/115,971.75 = 46,312.56/x
  3. Step 3: Cross multiply
    84,037.50x = 115,971.75 × 46,312.56
  4. Step 4: Simplify right side
    84,037.50x = 5,370,948,630.18
  5. Step 5: Solve for x
    x = 5,370,948,630.18/84,037.50
  6. Step 6: Final answer
    x = 63,911.33

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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.