Home / 93,218.78-128,641.26-50,777.31

Finding the Fourth Proportional to 93,218.78, 128,641.26 and 50,777.31

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Solution

The fourth proportional to 93,218.78, 128,641.26 and 50,777.31 is: 70,072.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,218.78 : 128,641.26 = 50,777.31 : x
  2. Step 2: Convert to fraction form
    93,218.78/128,641.26 = 50,777.31/x
  3. Step 3: Cross multiply
    93,218.78x = 128,641.26 × 50,777.31
  4. Step 4: Simplify right side
    93,218.78x = 6,532,057,810.63
  5. Step 5: Solve for x
    x = 6,532,057,810.63/93,218.78
  6. Step 6: Final answer
    x = 70,072.34

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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.