Home / 112,733.40-169,119.60-37,860.78

Finding the Fourth Proportional to 112,733.40, 169,119.60 and 37,860.78

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Solution

The fourth proportional to 112,733.40, 169,119.60 and 37,860.78 is: 56,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,733.40 : 169,119.60 = 37,860.78 : x
  2. Step 2: Convert to fraction form
    112,733.40/169,119.60 = 37,860.78/x
  3. Step 3: Cross multiply
    112,733.40x = 169,119.60 × 37,860.78
  4. Step 4: Simplify right side
    112,733.40x = 6,402,999,969.29
  5. Step 5: Solve for x
    x = 6,402,999,969.29/112,733.40
  6. Step 6: Final answer
    x = 56,797.72

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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.