Home / 85,860.42-118,485.62-47,613.80

Finding the Fourth Proportional to 85,860.42, 118,485.62 and 47,613.80

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Solution

The fourth proportional to 85,860.42, 118,485.62 and 47,613.80 is: 65,706.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,860.42 : 118,485.62 = 47,613.80 : x
  2. Step 2: Convert to fraction form
    85,860.42/118,485.62 = 47,613.80/x
  3. Step 3: Cross multiply
    85,860.42x = 118,485.62 × 47,613.80
  4. Step 4: Simplify right side
    85,860.42x = 5,641,550,613.56
  5. Step 5: Solve for x
    x = 5,641,550,613.56/85,860.42
  6. Step 6: Final answer
    x = 65,706.07

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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.