Home / 98,736.71-136,256.02-53,414.51

Finding the Fourth Proportional to 98,736.71, 136,256.02 and 53,414.51

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Solution

The fourth proportional to 98,736.71, 136,256.02 and 53,414.51 is: 73,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,736.71 : 136,256.02 = 53,414.51 : x
  2. Step 2: Convert to fraction form
    98,736.71/136,256.02 = 53,414.51/x
  3. Step 3: Cross multiply
    98,736.71x = 136,256.02 × 53,414.51
  4. Step 4: Simplify right side
    98,736.71x = 7,278,048,542.85
  5. Step 5: Solve for x
    x = 7,278,048,542.85/98,736.71
  6. Step 6: Final answer
    x = 73,711.68

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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.