Home / 84,637.12-116,803.20-46,912

Finding the Fourth Proportional to 84,637.12, 116,803.20 and 46,912

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Solution

The fourth proportional to 84,637.12, 116,803.20 and 46,912 is: 64,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,637.12 : 116,803.20 = 46,912 : x
  2. Step 2: Convert to fraction form
    84,637.12/116,803.20 = 46,912/x
  3. Step 3: Cross multiply
    84,637.12x = 116,803.20 × 46,912
  4. Step 4: Simplify right side
    84,637.12x = 5,479,471,718.40
  5. Step 5: Solve for x
    x = 5,479,471,718.40/84,637.12
  6. Step 6: Final answer
    x = 64,740.76

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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.