Home / 65,218.76-89,999.32-36,924.45

Finding the Fourth Proportional to 65,218.76, 89,999.32 and 36,924.45

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Solution

The fourth proportional to 65,218.76, 89,999.32 and 36,924.45 is: 50,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,218.76 : 89,999.32 = 36,924.45 : x
  2. Step 2: Convert to fraction form
    65,218.76/89,999.32 = 36,924.45/x
  3. Step 3: Cross multiply
    65,218.76x = 89,999.32 × 36,924.45
  4. Step 4: Simplify right side
    65,218.76x = 3,323,175,391.37
  5. Step 5: Solve for x
    x = 3,323,175,391.37/65,218.76
  6. Step 6: Final answer
    x = 50,954.29

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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.