Home / 93,025.86-128,373-52,743.36

Finding the Fourth Proportional to 93,025.86, 128,373 and 52,743.36

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Solution

The fourth proportional to 93,025.86, 128,373 and 52,743.36 is: 72,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,025.86 : 128,373 = 52,743.36 : x
  2. Step 2: Convert to fraction form
    93,025.86/128,373 = 52,743.36/x
  3. Step 3: Cross multiply
    93,025.86x = 128,373 × 52,743.36
  4. Step 4: Simplify right side
    93,025.86x = 6,770,823,353.28
  5. Step 5: Solve for x
    x = 6,770,823,353.28/93,025.86
  6. Step 6: Final answer
    x = 72,784.31

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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.