Home / 112,014.86-167,985.77-40,921.16

Finding the Fourth Proportional to 112,014.86, 167,985.77 and 40,921.16

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Solution

The fourth proportional to 112,014.86, 167,985.77 and 40,921.16 is: 61,368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,014.86 : 167,985.77 = 40,921.16 : x
  2. Step 2: Convert to fraction form
    112,014.86/167,985.77 = 40,921.16/x
  3. Step 3: Cross multiply
    112,014.86x = 167,985.77 × 40,921.16
  4. Step 4: Simplify right side
    112,014.86x = 6,874,171,527.36
  5. Step 5: Solve for x
    x = 6,874,171,527.36/112,014.86
  6. Step 6: Final answer
    x = 61,368.39

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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.