Home / 93,425.27-128,869.25-66,576.40

Finding the Fourth Proportional to 93,425.27, 128,869.25 and 66,576.40

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Solution

The fourth proportional to 93,425.27, 128,869.25 and 66,576.40 is: 91,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,425.27 : 128,869.25 = 66,576.40 : x
  2. Step 2: Convert to fraction form
    93,425.27/128,869.25 = 66,576.40/x
  3. Step 3: Cross multiply
    93,425.27x = 128,869.25 × 66,576.40
  4. Step 4: Simplify right side
    93,425.27x = 8,579,650,735.70
  5. Step 5: Solve for x
    x = 8,579,650,735.70/93,425.27
  6. Step 6: Final answer
    x = 91,834.37

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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.