Home / 65,395.65-90,243.27-37,106.67

Finding the Fourth Proportional to 65,395.65, 90,243.27 and 37,106.67

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Solution

The fourth proportional to 65,395.65, 90,243.27 and 37,106.67 is: 51,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,395.65 : 90,243.27 = 37,106.67 : x
  2. Step 2: Convert to fraction form
    65,395.65/90,243.27 = 37,106.67/x
  3. Step 3: Cross multiply
    65,395.65x = 90,243.27 × 37,106.67
  4. Step 4: Simplify right side
    65,395.65x = 3,348,627,239.61
  5. Step 5: Solve for x
    x = 3,348,627,239.61/65,395.65
  6. Step 6: Final answer
    x = 51,205.66

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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.