Home / 65,464.67-90,341.30-37,170.36

Finding the Fourth Proportional to 65,464.67, 90,341.30 and 37,170.36

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Solution

The fourth proportional to 65,464.67, 90,341.30 and 37,170.36 is: 51,295.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,464.67 : 90,341.30 = 37,170.36 : x
  2. Step 2: Convert to fraction form
    65,464.67/90,341.30 = 37,170.36/x
  3. Step 3: Cross multiply
    65,464.67x = 90,341.30 × 37,170.36
  4. Step 4: Simplify right side
    65,464.67x = 3,358,018,736.79
  5. Step 5: Solve for x
    x = 3,358,018,736.79/65,464.67
  6. Step 6: Final answer
    x = 51,295.13

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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.