Home / 73,633.46-101,612.70-43,420.05

Finding the Fourth Proportional to 73,633.46, 101,612.70 and 43,420.05

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Solution

The fourth proportional to 73,633.46, 101,612.70 and 43,420.05 is: 59,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,633.46 : 101,612.70 = 43,420.05 : x
  2. Step 2: Convert to fraction form
    73,633.46/101,612.70 = 43,420.05/x
  3. Step 3: Cross multiply
    73,633.46x = 101,612.70 × 43,420.05
  4. Step 4: Simplify right side
    73,633.46x = 4,412,028,514.64
  5. Step 5: Solve for x
    x = 4,412,028,514.64/73,633.46
  6. Step 6: Final answer
    x = 59,918.80

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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.