Home / 96,379.50-133,017.72-55,535.70

Finding the Fourth Proportional to 96,379.50, 133,017.72 and 55,535.70

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Solution

The fourth proportional to 96,379.50, 133,017.72 and 55,535.70 is: 76,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,379.50 : 133,017.72 = 55,535.70 : x
  2. Step 2: Convert to fraction form
    96,379.50/133,017.72 = 55,535.70/x
  3. Step 3: Cross multiply
    96,379.50x = 133,017.72 × 55,535.70
  4. Step 4: Simplify right side
    96,379.50x = 7,387,232,192.60
  5. Step 5: Solve for x
    x = 7,387,232,192.60/96,379.50
  6. Step 6: Final answer
    x = 76,647.34

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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.