Home / 62,128.47-85,736.70-33,834.63

Finding the Fourth Proportional to 62,128.47, 85,736.70 and 33,834.63

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Solution

The fourth proportional to 62,128.47, 85,736.70 and 33,834.63 is: 46,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,128.47 : 85,736.70 = 33,834.63 : x
  2. Step 2: Convert to fraction form
    62,128.47/85,736.70 = 33,834.63/x
  3. Step 3: Cross multiply
    62,128.47x = 85,736.70 × 33,834.63
  4. Step 4: Simplify right side
    62,128.47x = 2,900,869,521.92
  5. Step 5: Solve for x
    x = 2,900,869,521.92/62,128.47
  6. Step 6: Final answer
    x = 46,691.47

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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.