Home / 50,829.08-70,143.08-28,167.89

Finding the Fourth Proportional to 50,829.08, 70,143.08 and 28,167.89

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Solution

The fourth proportional to 50,829.08, 70,143.08 and 28,167.89 is: 38,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,829.08 : 70,143.08 = 28,167.89 : x
  2. Step 2: Convert to fraction form
    50,829.08/70,143.08 = 28,167.89/x
  3. Step 3: Cross multiply
    50,829.08x = 70,143.08 × 28,167.89
  4. Step 4: Simplify right side
    50,829.08x = 1,975,782,070.15
  5. Step 5: Solve for x
    x = 1,975,782,070.15/50,829.08
  6. Step 6: Final answer
    x = 38,871.10

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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.