Home / 51,705.13-77,565.57-26,390.82

Finding the Fourth Proportional to 51,705.13, 77,565.57 and 26,390.82

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Solution

The fourth proportional to 51,705.13, 77,565.57 and 26,390.82 is: 39,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,705.13 : 77,565.57 = 26,390.82 : x
  2. Step 2: Convert to fraction form
    51,705.13/77,565.57 = 26,390.82/x
  3. Step 3: Cross multiply
    51,705.13x = 77,565.57 × 26,390.82
  4. Step 4: Simplify right side
    51,705.13x = 2,047,018,996.07
  5. Step 5: Solve for x
    x = 2,047,018,996.07/51,705.13
  6. Step 6: Final answer
    x = 39,590.25

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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.