Home / 51,975.72-77,962.90-12,532.52

Finding the Fourth Proportional to 51,975.72, 77,962.90 and 12,532.52

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Solution

The fourth proportional to 51,975.72, 77,962.90 and 12,532.52 is: 18,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975.72 : 77,962.90 = 12,532.52 : x
  2. Step 2: Convert to fraction form
    51,975.72/77,962.90 = 12,532.52/x
  3. Step 3: Cross multiply
    51,975.72x = 77,962.90 × 12,532.52
  4. Step 4: Simplify right side
    51,975.72x = 977,071,603.51
  5. Step 5: Solve for x
    x = 977,071,603.51/51,975.72
  6. Step 6: Final answer
    x = 18,798.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.