Home / 93,728.75-129,339.25-53,444.21

Finding the Fourth Proportional to 93,728.75, 129,339.25 and 53,444.21

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Solution

The fourth proportional to 93,728.75, 129,339.25 and 53,444.21 is: 73,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,728.75 : 129,339.25 = 53,444.21 : x
  2. Step 2: Convert to fraction form
    93,728.75/129,339.25 = 53,444.21/x
  3. Step 3: Cross multiply
    93,728.75x = 129,339.25 × 53,444.21
  4. Step 4: Simplify right side
    93,728.75x = 6,912,433,257.94
  5. Step 5: Solve for x
    x = 6,912,433,257.94/93,728.75
  6. Step 6: Final answer
    x = 73,749.34

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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.