Home / 90,943.14-125,466.75-56,937.54

Finding the Fourth Proportional to 90,943.14, 125,466.75 and 56,937.54

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Solution

The fourth proportional to 90,943.14, 125,466.75 and 56,937.54 is: 78,552.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,943.14 : 125,466.75 = 56,937.54 : x
  2. Step 2: Convert to fraction form
    90,943.14/125,466.75 = 56,937.54/x
  3. Step 3: Cross multiply
    90,943.14x = 125,466.75 × 56,937.54
  4. Step 4: Simplify right side
    90,943.14x = 7,143,768,096.80
  5. Step 5: Solve for x
    x = 7,143,768,096.80/90,943.14
  6. Step 6: Final answer
    x = 78,552.03

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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.