Home / 112,891.35-169,218.48-37,985.50

Finding the Fourth Proportional to 112,891.35, 169,218.48 and 37,985.50

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Solution

The fourth proportional to 112,891.35, 169,218.48 and 37,985.50 is: 56,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,891.35 : 169,218.48 = 37,985.50 : x
  2. Step 2: Convert to fraction form
    112,891.35/169,218.48 = 37,985.50/x
  3. Step 3: Cross multiply
    112,891.35x = 169,218.48 × 37,985.50
  4. Step 4: Simplify right side
    112,891.35x = 6,427,848,572.04
  5. Step 5: Solve for x
    x = 6,427,848,572.04/112,891.35
  6. Step 6: Final answer
    x = 56,938.36

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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.