Home / 72,908.36-100,613.54-41,077.24

Finding the Fourth Proportional to 72,908.36, 100,613.54 and 41,077.24

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Solution

The fourth proportional to 72,908.36, 100,613.54 and 41,077.24 is: 56,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,908.36 : 100,613.54 = 41,077.24 : x
  2. Step 2: Convert to fraction form
    72,908.36/100,613.54 = 41,077.24/x
  3. Step 3: Cross multiply
    72,908.36x = 100,613.54 × 41,077.24
  4. Step 4: Simplify right side
    72,908.36x = 4,132,926,529.83
  5. Step 5: Solve for x
    x = 4,132,926,529.83/72,908.36
  6. Step 6: Final answer
    x = 56,686.59

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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.