Home / 93,426.33-128,894.63-71,922.66

Finding the Fourth Proportional to 93,426.33, 128,894.63 and 71,922.66

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Solution

The fourth proportional to 93,426.33, 128,894.63 and 71,922.66 is: 99,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,426.33 : 128,894.63 = 71,922.66 : x
  2. Step 2: Convert to fraction form
    93,426.33/128,894.63 = 71,922.66/x
  3. Step 3: Cross multiply
    93,426.33x = 128,894.63 × 71,922.66
  4. Step 4: Simplify right side
    93,426.33x = 9,270,444,289.70
  5. Step 5: Solve for x
    x = 9,270,444,289.70/93,426.33
  6. Step 6: Final answer
    x = 99,227.32

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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.