Home / 52,613.07-79,274.80-43,458.20

Finding the Fourth Proportional to 52,613.07, 79,274.80 and 43,458.20

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Solution

The fourth proportional to 52,613.07, 79,274.80 and 43,458.20 is: 65,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,613.07 : 79,274.80 = 43,458.20 : x
  2. Step 2: Convert to fraction form
    52,613.07/79,274.80 = 43,458.20/x
  3. Step 3: Cross multiply
    52,613.07x = 79,274.80 × 43,458.20
  4. Step 4: Simplify right side
    52,613.07x = 3,445,139,845.63
  5. Step 5: Solve for x
    x = 3,445,139,845.63/52,613.07
  6. Step 6: Final answer
    x = 65,480.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.