Home / 75,266.79-112,908.38-33,128.76

Finding the Fourth Proportional to 75,266.79, 112,908.38 and 33,128.76

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Solution

The fourth proportional to 75,266.79, 112,908.38 and 33,128.76 is: 49,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,266.79 : 112,908.38 = 33,128.76 : x
  2. Step 2: Convert to fraction form
    75,266.79/112,908.38 = 33,128.76/x
  3. Step 3: Cross multiply
    75,266.79x = 112,908.38 × 33,128.76
  4. Step 4: Simplify right side
    75,266.79x = 3,740,514,457.37
  5. Step 5: Solve for x
    x = 3,740,514,457.37/75,266.79
  6. Step 6: Final answer
    x = 49,696.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.