Home / 74,613.80-111,920.70-59,851.55

Finding the Fourth Proportional to 74,613.80, 111,920.70 and 59,851.55

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Solution

The fourth proportional to 74,613.80, 111,920.70 and 59,851.55 is: 89,777.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,613.80 : 111,920.70 = 59,851.55 : x
  2. Step 2: Convert to fraction form
    74,613.80/111,920.70 = 59,851.55/x
  3. Step 3: Cross multiply
    74,613.80x = 111,920.70 × 59,851.55
  4. Step 4: Simplify right side
    74,613.80x = 6,698,627,372.09
  5. Step 5: Solve for x
    x = 6,698,627,372.09/74,613.80
  6. Step 6: Final answer
    x = 89,777.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.