Home / 93,136.71-128,528.97-50,695.14

Finding the Fourth Proportional to 93,136.71, 128,528.97 and 50,695.14

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Solution

The fourth proportional to 93,136.71, 128,528.97 and 50,695.14 is: 69,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,136.71 : 128,528.97 = 50,695.14 : x
  2. Step 2: Convert to fraction form
    93,136.71/128,528.97 = 50,695.14/x
  3. Step 3: Cross multiply
    93,136.71x = 128,528.97 × 50,695.14
  4. Step 4: Simplify right side
    93,136.71x = 6,515,794,128.21
  5. Step 5: Solve for x
    x = 6,515,794,128.21/93,136.71
  6. Step 6: Final answer
    x = 69,959.46

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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.