Home / 93,120.04-128,505.66-50,677.64

Finding the Fourth Proportional to 93,120.04, 128,505.66 and 50,677.64

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Solution

The fourth proportional to 93,120.04, 128,505.66 and 50,677.64 is: 69,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,120.04 : 128,505.66 = 50,677.64 : x
  2. Step 2: Convert to fraction form
    93,120.04/128,505.66 = 50,677.64/x
  3. Step 3: Cross multiply
    93,120.04x = 128,505.66 × 50,677.64
  4. Step 4: Simplify right side
    93,120.04x = 6,512,363,575.44
  5. Step 5: Solve for x
    x = 6,512,363,575.44/93,120.04
  6. Step 6: Final answer
    x = 69,935.15

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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.