Home / 112,745.76-169,118.52-46,186.01

Finding the Fourth Proportional to 112,745.76, 169,118.52 and 46,186.01

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Solution

The fourth proportional to 112,745.76, 169,118.52 and 46,186.01 is: 69,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,745.76 : 169,118.52 = 46,186.01 : x
  2. Step 2: Convert to fraction form
    112,745.76/169,118.52 = 46,186.01/x
  3. Step 3: Cross multiply
    112,745.76x = 169,118.52 × 46,186.01
  4. Step 4: Simplify right side
    112,745.76x = 7,810,908,810.31
  5. Step 5: Solve for x
    x = 7,810,908,810.31/112,745.76
  6. Step 6: Final answer
    x = 69,278.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.