Home / 51,883.57-77,726.91-30,779.02

Finding the Fourth Proportional to 51,883.57, 77,726.91 and 30,779.02

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Solution

The fourth proportional to 51,883.57, 77,726.91 and 30,779.02 is: 46,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,883.57 : 77,726.91 = 30,779.02 : x
  2. Step 2: Convert to fraction form
    51,883.57/77,726.91 = 30,779.02/x
  3. Step 3: Cross multiply
    51,883.57x = 77,726.91 × 30,779.02
  4. Step 4: Simplify right side
    51,883.57x = 2,392,357,923.11
  5. Step 5: Solve for x
    x = 2,392,357,923.11/51,883.57
  6. Step 6: Final answer
    x = 46,110.13

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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.