Home / 112,009.37-154,572.86-61,708.37

Finding the Fourth Proportional to 112,009.37, 154,572.86 and 61,708.37

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Solution

The fourth proportional to 112,009.37, 154,572.86 and 61,708.37 is: 85,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,009.37 : 154,572.86 = 61,708.37 : x
  2. Step 2: Convert to fraction form
    112,009.37/154,572.86 = 61,708.37/x
  3. Step 3: Cross multiply
    112,009.37x = 154,572.86 × 61,708.37
  4. Step 4: Simplify right side
    112,009.37x = 9,538,438,618.24
  5. Step 5: Solve for x
    x = 9,538,438,618.24/112,009.37
  6. Step 6: Final answer
    x = 85,157.51

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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.