Home / 86,213.96-118,973.07-49,910.37

Finding the Fourth Proportional to 86,213.96, 118,973.07 and 49,910.37

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Solution

The fourth proportional to 86,213.96, 118,973.07 and 49,910.37 is: 68,875.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,213.96 : 118,973.07 = 49,910.37 : x
  2. Step 2: Convert to fraction form
    86,213.96/118,973.07 = 49,910.37/x
  3. Step 3: Cross multiply
    86,213.96x = 118,973.07 × 49,910.37
  4. Step 4: Simplify right side
    86,213.96x = 5,937,989,943.74
  5. Step 5: Solve for x
    x = 5,937,989,943.74/86,213.96
  6. Step 6: Final answer
    x = 68,875.04

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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.