Home / 93,355.26-128,828.96-50,913.78

Finding the Fourth Proportional to 93,355.26, 128,828.96 and 50,913.78

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Solution

The fourth proportional to 93,355.26, 128,828.96 and 50,913.78 is: 70,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,355.26 : 128,828.96 = 50,913.78 : x
  2. Step 2: Convert to fraction form
    93,355.26/128,828.96 = 50,913.78/x
  3. Step 3: Cross multiply
    93,355.26x = 128,828.96 × 50,913.78
  4. Step 4: Simplify right side
    93,355.26x = 6,559,169,327.07
  5. Step 5: Solve for x
    x = 6,559,169,327.07/93,355.26
  6. Step 6: Final answer
    x = 70,260.31

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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.