Home / 112,731.40-169,116.60-37,858.80

Finding the Fourth Proportional to 112,731.40, 169,116.60 and 37,858.80

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Solution

The fourth proportional to 112,731.40, 169,116.60 and 37,858.80 is: 56,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,731.40 : 169,116.60 = 37,858.80 : x
  2. Step 2: Convert to fraction form
    112,731.40/169,116.60 = 37,858.80/x
  3. Step 3: Cross multiply
    112,731.40x = 169,116.60 × 37,858.80
  4. Step 4: Simplify right side
    112,731.40x = 6,402,551,536.08
  5. Step 5: Solve for x
    x = 6,402,551,536.08/112,731.40
  6. Step 6: Final answer
    x = 56,794.75

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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.