Home / 93,412.56-128,908.64-53,126.27

Finding the Fourth Proportional to 93,412.56, 128,908.64 and 53,126.27

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Solution

The fourth proportional to 93,412.56, 128,908.64 and 53,126.27 is: 73,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,412.56 : 128,908.64 = 53,126.27 : x
  2. Step 2: Convert to fraction form
    93,412.56/128,908.64 = 53,126.27/x
  3. Step 3: Cross multiply
    93,412.56x = 128,908.64 × 53,126.27
  4. Step 4: Simplify right side
    93,412.56x = 6,848,434,303.80
  5. Step 5: Solve for x
    x = 6,848,434,303.80/93,412.56
  6. Step 6: Final answer
    x = 73,313.85

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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.