Home / 65,388.04-90,243.66-37,102.84

Finding the Fourth Proportional to 65,388.04, 90,243.66 and 37,102.84

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Solution

The fourth proportional to 65,388.04, 90,243.66 and 37,102.84 is: 51,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,388.04 : 90,243.66 = 37,102.84 : x
  2. Step 2: Convert to fraction form
    65,388.04/90,243.66 = 37,102.84/x
  3. Step 3: Cross multiply
    65,388.04x = 90,243.66 × 37,102.84
  4. Step 4: Simplify right side
    65,388.04x = 3,348,296,077.99
  5. Step 5: Solve for x
    x = 3,348,296,077.99/65,388.04
  6. Step 6: Final answer
    x = 51,206.55

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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.