Home / 97,647.18-134,753.16-55,205.34

Finding the Fourth Proportional to 97,647.18, 134,753.16 and 55,205.34

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Solution

The fourth proportional to 97,647.18, 134,753.16 and 55,205.34 is: 76,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,647.18 : 134,753.16 = 55,205.34 : x
  2. Step 2: Convert to fraction form
    97,647.18/134,753.16 = 55,205.34/x
  3. Step 3: Cross multiply
    97,647.18x = 134,753.16 × 55,205.34
  4. Step 4: Simplify right side
    97,647.18x = 7,439,094,013.87
  5. Step 5: Solve for x
    x = 7,439,094,013.87/97,647.18
  6. Step 6: Final answer
    x = 76,183.40

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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.