Home / 93,080.26-128,448.97-51,685.84

Finding the Fourth Proportional to 93,080.26, 128,448.97 and 51,685.84

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Solution

The fourth proportional to 93,080.26, 128,448.97 and 51,685.84 is: 71,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,080.26 : 128,448.97 = 51,685.84 : x
  2. Step 2: Convert to fraction form
    93,080.26/128,448.97 = 51,685.84/x
  3. Step 3: Cross multiply
    93,080.26x = 128,448.97 × 51,685.84
  4. Step 4: Simplify right side
    93,080.26x = 6,638,992,911.58
  5. Step 5: Solve for x
    x = 6,638,992,911.58/93,080.26
  6. Step 6: Final answer
    x = 71,325.47

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1.5x scale

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.