Home / 93,136.56-128,528.46-50,695.40

Finding the Fourth Proportional to 93,136.56, 128,528.46 and 50,695.40

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Solution

The fourth proportional to 93,136.56, 128,528.46 and 50,695.40 is: 69,959.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,136.56 : 128,528.46 = 50,695.40 : x
  2. Step 2: Convert to fraction form
    93,136.56/128,528.46 = 50,695.40/x
  3. Step 3: Cross multiply
    93,136.56x = 128,528.46 × 50,695.40
  4. Step 4: Simplify right side
    93,136.56x = 6,515,801,691.08
  5. Step 5: Solve for x
    x = 6,515,801,691.08/93,136.56
  6. Step 6: Final answer
    x = 69,959.66

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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.