Home / 63,725.09-87,947.34-36,503.35

Finding the Fourth Proportional to 63,725.09, 87,947.34 and 36,503.35

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Solution

The fourth proportional to 63,725.09, 87,947.34 and 36,503.35 is: 50,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,725.09 : 87,947.34 = 36,503.35 : x
  2. Step 2: Convert to fraction form
    63,725.09/87,947.34 = 36,503.35/x
  3. Step 3: Cross multiply
    63,725.09x = 87,947.34 × 36,503.35
  4. Step 4: Simplify right side
    63,725.09x = 3,210,372,382.16
  5. Step 5: Solve for x
    x = 3,210,372,382.16/63,725.09
  6. Step 6: Final answer
    x = 50,378.47

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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.