Home / 93,213.72-128,636.91-50,772.15

Finding the Fourth Proportional to 93,213.72, 128,636.91 and 50,772.15

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Solution

The fourth proportional to 93,213.72, 128,636.91 and 50,772.15 is: 70,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,213.72 : 128,636.91 = 50,772.15 : x
  2. Step 2: Convert to fraction form
    93,213.72/128,636.91 = 50,772.15/x
  3. Step 3: Cross multiply
    93,213.72x = 128,636.91 × 50,772.15
  4. Step 4: Simplify right side
    93,213.72x = 6,531,172,490.06
  5. Step 5: Solve for x
    x = 6,531,172,490.06/93,213.72
  6. Step 6: Final answer
    x = 70,066.64

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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.