Home / 65,369.54-90,214.36-37,077.06

Finding the Fourth Proportional to 65,369.54, 90,214.36 and 37,077.06

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Solution

The fourth proportional to 65,369.54, 90,214.36 and 37,077.06 is: 51,168.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,369.54 : 90,214.36 = 37,077.06 : x
  2. Step 2: Convert to fraction form
    65,369.54/90,214.36 = 37,077.06/x
  3. Step 3: Cross multiply
    65,369.54x = 90,214.36 × 37,077.06
  4. Step 4: Simplify right side
    65,369.54x = 3,344,883,238.58
  5. Step 5: Solve for x
    x = 3,344,883,238.58/65,369.54
  6. Step 6: Final answer
    x = 51,168.84

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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.