Home / 93,320.45-128,776.67-53,028.62

Finding the Fourth Proportional to 93,320.45, 128,776.67 and 53,028.62

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Solution

The fourth proportional to 93,320.45, 128,776.67 and 53,028.62 is: 73,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,320.45 : 128,776.67 = 53,028.62 : x
  2. Step 2: Convert to fraction form
    93,320.45/128,776.67 = 53,028.62/x
  3. Step 3: Cross multiply
    93,320.45x = 128,776.67 × 53,028.62
  4. Step 4: Simplify right side
    93,320.45x = 6,828,848,189.27
  5. Step 5: Solve for x
    x = 6,828,848,189.27/93,320.45
  6. Step 6: Final answer
    x = 73,176.34

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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.