Home / 65,485.14-90,370.13-37,191.03

Finding the Fourth Proportional to 65,485.14, 90,370.13 and 37,191.03

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Solution

The fourth proportional to 65,485.14, 90,370.13 and 37,191.03 is: 51,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,485.14 : 90,370.13 = 37,191.03 : x
  2. Step 2: Convert to fraction form
    65,485.14/90,370.13 = 37,191.03/x
  3. Step 3: Cross multiply
    65,485.14x = 90,370.13 × 37,191.03
  4. Step 4: Simplify right side
    65,485.14x = 3,360,958,029.98
  5. Step 5: Solve for x
    x = 3,360,958,029.98/65,485.14
  6. Step 6: Final answer
    x = 51,323.98

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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.