Home / 93,249.03-128,680.05-50,807.88

Finding the Fourth Proportional to 93,249.03, 128,680.05 and 50,807.88

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Solution

The fourth proportional to 93,249.03, 128,680.05 and 50,807.88 is: 70,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,249.03 : 128,680.05 = 50,807.88 : x
  2. Step 2: Convert to fraction form
    93,249.03/128,680.05 = 50,807.88/x
  3. Step 3: Cross multiply
    93,249.03x = 128,680.05 × 50,807.88
  4. Step 4: Simplify right side
    93,249.03x = 6,537,960,538.79
  5. Step 5: Solve for x
    x = 6,537,960,538.79/93,249.03
  6. Step 6: Final answer
    x = 70,112.91

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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.