Home / 73,071.48-100,838.22-39,536.76

Finding the Fourth Proportional to 73,071.48, 100,838.22 and 39,536.76

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Solution

The fourth proportional to 73,071.48, 100,838.22 and 39,536.76 is: 54,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,071.48 : 100,838.22 = 39,536.76 : x
  2. Step 2: Convert to fraction form
    73,071.48/100,838.22 = 39,536.76/x
  3. Step 3: Cross multiply
    73,071.48x = 100,838.22 × 39,536.76
  4. Step 4: Simplify right side
    73,071.48x = 3,986,816,502.97
  5. Step 5: Solve for x
    x = 3,986,816,502.97/73,071.48
  6. Step 6: Final answer
    x = 54,560.50

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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.