Home / 88,616.10-133,021.35-55,373.70

Finding the Fourth Proportional to 88,616.10, 133,021.35 and 55,373.70

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Solution

The fourth proportional to 88,616.10, 133,021.35 and 55,373.70 is: 83,121.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,616.10 : 133,021.35 = 55,373.70 : x
  2. Step 2: Convert to fraction form
    88,616.10/133,021.35 = 55,373.70/x
  3. Step 3: Cross multiply
    88,616.10x = 133,021.35 × 55,373.70
  4. Step 4: Simplify right side
    88,616.10x = 7,365,884,328.50
  5. Step 5: Solve for x
    x = 7,365,884,328.50/88,616.10
  6. Step 6: Final answer
    x = 83,121.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.