Home / 93,455.24-128,971.14-53,174.84

Finding the Fourth Proportional to 93,455.24, 128,971.14 and 53,174.84

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Solution

The fourth proportional to 93,455.24, 128,971.14 and 53,174.84 is: 73,382.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,455.24 : 128,971.14 = 53,174.84 : x
  2. Step 2: Convert to fraction form
    93,455.24/128,971.14 = 53,174.84/x
  3. Step 3: Cross multiply
    93,455.24x = 128,971.14 × 53,174.84
  4. Step 4: Simplify right side
    93,455.24x = 6,858,019,734.12
  5. Step 5: Solve for x
    x = 6,858,019,734.12/93,455.24
  6. Step 6: Final answer
    x = 73,382.93

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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.