Home / 93,420.44-128,922.94-50,981.71

Finding the Fourth Proportional to 93,420.44, 128,922.94 and 50,981.71

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Solution

The fourth proportional to 93,420.44, 128,922.94 and 50,981.71 is: 70,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,420.44 : 128,922.94 = 50,981.71 : x
  2. Step 2: Convert to fraction form
    93,420.44/128,922.94 = 50,981.71/x
  3. Step 3: Cross multiply
    93,420.44x = 128,922.94 × 50,981.71
  4. Step 4: Simplify right side
    93,420.44x = 6,572,711,939.43
  5. Step 5: Solve for x
    x = 6,572,711,939.43/93,420.44
  6. Step 6: Final answer
    x = 70,356.25

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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.