Home / 112,594.58-155,382.50-61,611.81

Finding the Fourth Proportional to 112,594.58, 155,382.50 and 61,611.81

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Solution

The fourth proportional to 112,594.58, 155,382.50 and 61,611.81 is: 85,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,594.58 : 155,382.50 = 61,611.81 : x
  2. Step 2: Convert to fraction form
    112,594.58/155,382.50 = 61,611.81/x
  3. Step 3: Cross multiply
    112,594.58x = 155,382.50 × 61,611.81
  4. Step 4: Simplify right side
    112,594.58x = 9,573,397,949.71
  5. Step 5: Solve for x
    x = 9,573,397,949.71/112,594.58
  6. Step 6: Final answer
    x = 85,025.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.