Home / 112,846.07-155,725.35-61,858.91

Finding the Fourth Proportional to 112,846.07, 155,725.35 and 61,858.91

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Solution

The fourth proportional to 112,846.07, 155,725.35 and 61,858.91 is: 85,364.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,846.07 : 155,725.35 = 61,858.91 : x
  2. Step 2: Convert to fraction form
    112,846.07/155,725.35 = 61,858.91/x
  3. Step 3: Cross multiply
    112,846.07x = 155,725.35 × 61,858.91
  4. Step 4: Simplify right side
    112,846.07x = 9,632,999,631.74
  5. Step 5: Solve for x
    x = 9,632,999,631.74/112,846.07
  6. Step 6: Final answer
    x = 85,364.07

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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.