Home / 93,352.98-128,934.66-67,972.86

Finding the Fourth Proportional to 93,352.98, 128,934.66 and 67,972.86

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Solution

The fourth proportional to 93,352.98, 128,934.66 and 67,972.86 is: 93,880.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,352.98 : 128,934.66 = 67,972.86 : x
  2. Step 2: Convert to fraction form
    93,352.98/128,934.66 = 67,972.86/x
  3. Step 3: Cross multiply
    93,352.98x = 128,934.66 × 67,972.86
  4. Step 4: Simplify right side
    93,352.98x = 8,764,057,593.33
  5. Step 5: Solve for x
    x = 8,764,057,593.33/93,352.98
  6. Step 6: Final answer
    x = 93,880.86

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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.