Home / 112,056.37-154,637.79-61,755.37

Finding the Fourth Proportional to 112,056.37, 154,637.79 and 61,755.37

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Solution

The fourth proportional to 112,056.37, 154,637.79 and 61,755.37 is: 85,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,056.37 : 154,637.79 = 61,755.37 : x
  2. Step 2: Convert to fraction form
    112,056.37/154,637.79 = 61,755.37/x
  3. Step 3: Cross multiply
    112,056.37x = 154,637.79 × 61,755.37
  4. Step 4: Simplify right side
    112,056.37x = 9,549,713,937.43
  5. Step 5: Solve for x
    x = 9,549,713,937.43/112,056.37
  6. Step 6: Final answer
    x = 85,222.41

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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.