Home / 112,073.60-168,090.96-37,190.72

Finding the Fourth Proportional to 112,073.60, 168,090.96 and 37,190.72

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Solution

The fourth proportional to 112,073.60, 168,090.96 and 37,190.72 is: 55,779.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,073.60 : 168,090.96 = 37,190.72 : x
  2. Step 2: Convert to fraction form
    112,073.60/168,090.96 = 37,190.72/x
  3. Step 3: Cross multiply
    112,073.60x = 168,090.96 × 37,190.72
  4. Step 4: Simplify right side
    112,073.60x = 6,251,423,827.89
  5. Step 5: Solve for x
    x = 6,251,423,827.89/112,073.60
  6. Step 6: Final answer
    x = 55,779.63

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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.