Home / 112,877.32-169,409.40-56,733.52

Finding the Fourth Proportional to 112,877.32, 169,409.40 and 56,733.52

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Solution

The fourth proportional to 112,877.32, 169,409.40 and 56,733.52 is: 85,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,877.32 : 169,409.40 = 56,733.52 : x
  2. Step 2: Convert to fraction form
    112,877.32/169,409.40 = 56,733.52/x
  3. Step 3: Cross multiply
    112,877.32x = 169,409.40 × 56,733.52
  4. Step 4: Simplify right side
    112,877.32x = 9,611,191,583.09
  5. Step 5: Solve for x
    x = 9,611,191,583.09/112,877.32
  6. Step 6: Final answer
    x = 85,147.23

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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.