Home / 51,133.04-70,562.76-28,777.04

Finding the Fourth Proportional to 51,133.04, 70,562.76 and 28,777.04

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Solution

The fourth proportional to 51,133.04, 70,562.76 and 28,777.04 is: 39,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,133.04 : 70,562.76 = 28,777.04 : x
  2. Step 2: Convert to fraction form
    51,133.04/70,562.76 = 28,777.04/x
  3. Step 3: Cross multiply
    51,133.04x = 70,562.76 × 28,777.04
  4. Step 4: Simplify right side
    51,133.04x = 2,030,587,367.03
  5. Step 5: Solve for x
    x = 2,030,587,367.03/51,133.04
  6. Step 6: Final answer
    x = 39,711.85

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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.