Home / 52,262.94-72,123.36-28,390.08

Finding the Fourth Proportional to 52,262.94, 72,123.36 and 28,390.08

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Solution

The fourth proportional to 52,262.94, 72,123.36 and 28,390.08 is: 39,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,262.94 : 72,123.36 = 28,390.08 : x
  2. Step 2: Convert to fraction form
    52,262.94/72,123.36 = 28,390.08/x
  3. Step 3: Cross multiply
    52,262.94x = 72,123.36 × 28,390.08
  4. Step 4: Simplify right side
    52,262.94x = 2,047,587,960.27
  5. Step 5: Solve for x
    x = 2,047,587,960.27/52,262.94
  6. Step 6: Final answer
    x = 39,178.58

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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.