Home / 85,740.85-118,282.98-55,536.25

Finding the Fourth Proportional to 85,740.85, 118,282.98 and 55,536.25

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Solution

The fourth proportional to 85,740.85, 118,282.98 and 55,536.25 is: 76,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,740.85 : 118,282.98 = 55,536.25 : x
  2. Step 2: Convert to fraction form
    85,740.85/118,282.98 = 55,536.25/x
  3. Step 3: Cross multiply
    85,740.85x = 118,282.98 × 55,536.25
  4. Step 4: Simplify right side
    85,740.85x = 6,568,993,148.03
  5. Step 5: Solve for x
    x = 6,568,993,148.03/85,740.85
  6. Step 6: Final answer
    x = 76,614.51

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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.