Home / 93,104.07-128,484.21-50,662.89

Finding the Fourth Proportional to 93,104.07, 128,484.21 and 50,662.89

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Solution

The fourth proportional to 93,104.07, 128,484.21 and 50,662.89 is: 69,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,104.07 : 128,484.21 = 50,662.89 : x
  2. Step 2: Convert to fraction form
    93,104.07/128,484.21 = 50,662.89/x
  3. Step 3: Cross multiply
    93,104.07x = 128,484.21 × 50,662.89
  4. Step 4: Simplify right side
    93,104.07x = 6,509,381,397.97
  5. Step 5: Solve for x
    x = 6,509,381,397.97/93,104.07
  6. Step 6: Final answer
    x = 69,915.11

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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.