Home / 96,847.12-133,641.84-54,412.72

Finding the Fourth Proportional to 96,847.12, 133,641.84 and 54,412.72

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Solution

The fourth proportional to 96,847.12, 133,641.84 and 54,412.72 is: 75,085.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,847.12 : 133,641.84 = 54,412.72 : x
  2. Step 2: Convert to fraction form
    96,847.12/133,641.84 = 54,412.72/x
  3. Step 3: Cross multiply
    96,847.12x = 133,641.84 × 54,412.72
  4. Step 4: Simplify right side
    96,847.12x = 7,271,816,020.20
  5. Step 5: Solve for x
    x = 7,271,816,020.20/96,847.12
  6. Step 6: Final answer
    x = 75,085.52

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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.