Home / 52,262.84-72,122.85-28,389.02

Finding the Fourth Proportional to 52,262.84, 72,122.85 and 28,389.02

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Solution

The fourth proportional to 52,262.84, 72,122.85 and 28,389.02 is: 39,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,262.84 : 72,122.85 = 28,389.02 : x
  2. Step 2: Convert to fraction form
    52,262.84/72,122.85 = 28,389.02/x
  3. Step 3: Cross multiply
    52,262.84x = 72,122.85 × 28,389.02
  4. Step 4: Simplify right side
    52,262.84x = 2,047,496,670.49
  5. Step 5: Solve for x
    x = 2,047,496,670.49/52,262.84
  6. Step 6: Final answer
    x = 39,176.91

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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.