Home / 93,217.23-128,639.94-50,775.93

Finding the Fourth Proportional to 93,217.23, 128,639.94 and 50,775.93

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Solution

The fourth proportional to 93,217.23, 128,639.94 and 50,775.93 is: 70,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,217.23 : 128,639.94 = 50,775.93 : x
  2. Step 2: Convert to fraction form
    93,217.23/128,639.94 = 50,775.93/x
  3. Step 3: Cross multiply
    93,217.23x = 128,639.94 × 50,775.93
  4. Step 4: Simplify right side
    93,217.23x = 6,531,812,588.64
  5. Step 5: Solve for x
    x = 6,531,812,588.64/93,217.23
  6. Step 6: Final answer
    x = 70,070.87

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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.