Home / 93,849.87-129,512.80-51,408.39

Finding the Fourth Proportional to 93,849.87, 129,512.80 and 51,408.39

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Solution

The fourth proportional to 93,849.87, 129,512.80 and 51,408.39 is: 70,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,849.87 : 129,512.80 = 51,408.39 : x
  2. Step 2: Convert to fraction form
    93,849.87/129,512.80 = 51,408.39/x
  3. Step 3: Cross multiply
    93,849.87x = 129,512.80 × 51,408.39
  4. Step 4: Simplify right side
    93,849.87x = 6,658,044,532.39
  5. Step 5: Solve for x
    x = 6,658,044,532.39/93,849.87
  6. Step 6: Final answer
    x = 70,943.57

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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.