Home / 96,947.28-133,742.34-56,662.74

Finding the Fourth Proportional to 96,947.28, 133,742.34 and 56,662.74

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Solution

The fourth proportional to 96,947.28, 133,742.34 and 56,662.74 is: 78,168.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,947.28 : 133,742.34 = 56,662.74 : x
  2. Step 2: Convert to fraction form
    96,947.28/133,742.34 = 56,662.74/x
  3. Step 3: Cross multiply
    96,947.28x = 133,742.34 × 56,662.74
  4. Step 4: Simplify right side
    96,947.28x = 7,578,207,438.41
  5. Step 5: Solve for x
    x = 7,578,207,438.41/96,947.28
  6. Step 6: Final answer
    x = 78,168.33

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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.