Home / 51,732.32-77,610-28,346.72

Finding the Fourth Proportional to 51,732.32, 77,610 and 28,346.72

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Solution

The fourth proportional to 51,732.32, 77,610 and 28,346.72 is: 42,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,732.32 : 77,610 = 28,346.72 : x
  2. Step 2: Convert to fraction form
    51,732.32/77,610 = 28,346.72/x
  3. Step 3: Cross multiply
    51,732.32x = 77,610 × 28,346.72
  4. Step 4: Simplify right side
    51,732.32x = 2,199,988,939.20
  5. Step 5: Solve for x
    x = 2,199,988,939.20/51,732.32
  6. Step 6: Final answer
    x = 42,526.39

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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.