Home / 112,827.36-155,709.01-62,529.60

Finding the Fourth Proportional to 112,827.36, 155,709.01 and 62,529.60

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Solution

The fourth proportional to 112,827.36, 155,709.01 and 62,529.60 is: 86,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,827.36 : 155,709.01 = 62,529.60 : x
  2. Step 2: Convert to fraction form
    112,827.36/155,709.01 = 62,529.60/x
  3. Step 3: Cross multiply
    112,827.36x = 155,709.01 × 62,529.60
  4. Step 4: Simplify right side
    112,827.36x = 9,736,422,111.70
  5. Step 5: Solve for x
    x = 9,736,422,111.70/112,827.36
  6. Step 6: Final answer
    x = 86,294.87

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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.