Home / 93,725.16-129,342.60-51,284.60

Finding the Fourth Proportional to 93,725.16, 129,342.60 and 51,284.60

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Solution

The fourth proportional to 93,725.16, 129,342.60 and 51,284.60 is: 70,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,725.16 : 129,342.60 = 51,284.60 : x
  2. Step 2: Convert to fraction form
    93,725.16/129,342.60 = 51,284.60/x
  3. Step 3: Cross multiply
    93,725.16x = 129,342.60 × 51,284.60
  4. Step 4: Simplify right side
    93,725.16x = 6,633,283,503.96
  5. Step 5: Solve for x
    x = 6,633,283,503.96/93,725.16
  6. Step 6: Final answer
    x = 70,773.78

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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.