Home / 93,477.09-128,997.70-51,035.62

Finding the Fourth Proportional to 93,477.09, 128,997.70 and 51,035.62

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Solution

The fourth proportional to 93,477.09, 128,997.70 and 51,035.62 is: 70,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,477.09 : 128,997.70 = 51,035.62 : x
  2. Step 2: Convert to fraction form
    93,477.09/128,997.70 = 51,035.62/x
  3. Step 3: Cross multiply
    93,477.09x = 128,997.70 × 51,035.62
  4. Step 4: Simplify right side
    93,477.09x = 6,583,476,953.09
  5. Step 5: Solve for x
    x = 6,583,476,953.09/93,477.09
  6. Step 6: Final answer
    x = 70,428.78

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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.