Home / 52,263.73-72,123.63-28,390.42

Finding the Fourth Proportional to 52,263.73, 72,123.63 and 28,390.42

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Solution

The fourth proportional to 52,263.73, 72,123.63 and 28,390.42 is: 39,178.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,263.73 : 72,123.63 = 28,390.42 : x
  2. Step 2: Convert to fraction form
    52,263.73/72,123.63 = 28,390.42/x
  3. Step 3: Cross multiply
    52,263.73x = 72,123.63 × 28,390.42
  4. Step 4: Simplify right side
    52,263.73x = 2,047,620,147.62
  5. Step 5: Solve for x
    x = 2,047,620,147.62/52,263.73
  6. Step 6: Final answer
    x = 39,178.61

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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.