Home / 87,852.08-121,237.56-49,619.36

Finding the Fourth Proportional to 87,852.08, 121,237.56 and 49,619.36

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Solution

The fourth proportional to 87,852.08, 121,237.56 and 49,619.36 is: 68,475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,852.08 : 121,237.56 = 49,619.36 : x
  2. Step 2: Convert to fraction form
    87,852.08/121,237.56 = 49,619.36/x
  3. Step 3: Cross multiply
    87,852.08x = 121,237.56 × 49,619.36
  4. Step 4: Simplify right side
    87,852.08x = 6,015,730,135.16
  5. Step 5: Solve for x
    x = 6,015,730,135.16/87,852.08
  6. Step 6: Final answer
    x = 68,475.67

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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.