Home / 112,880.60-155,775.44-62,579.60

Finding the Fourth Proportional to 112,880.60, 155,775.44 and 62,579.60

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Solution

The fourth proportional to 112,880.60, 155,775.44 and 62,579.60 is: 86,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,880.60 : 155,775.44 = 62,579.60 : x
  2. Step 2: Convert to fraction form
    112,880.60/155,775.44 = 62,579.60/x
  3. Step 3: Cross multiply
    112,880.60x = 155,775.44 × 62,579.60
  4. Step 4: Simplify right side
    112,880.60x = 9,748,364,725.02
  5. Step 5: Solve for x
    x = 9,748,364,725.02/112,880.60
  6. Step 6: Final answer
    x = 86,359.97

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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.