Home / 97,016.80-133,856.88-56,740.48

Finding the Fourth Proportional to 97,016.80, 133,856.88 and 56,740.48

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Solution

The fourth proportional to 97,016.80, 133,856.88 and 56,740.48 is: 78,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,016.80 : 133,856.88 = 56,740.48 : x
  2. Step 2: Convert to fraction form
    97,016.80/133,856.88 = 56,740.48/x
  3. Step 3: Cross multiply
    97,016.80x = 133,856.88 × 56,740.48
  4. Step 4: Simplify right side
    97,016.80x = 7,595,103,622.50
  5. Step 5: Solve for x
    x = 7,595,103,622.50/97,016.80
  6. Step 6: Final answer
    x = 78,286.48

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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.