Home / 77,376.59-116,064.92-51,075.18

Finding the Fourth Proportional to 77,376.59, 116,064.92 and 51,075.18

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Solution

The fourth proportional to 77,376.59, 116,064.92 and 51,075.18 is: 76,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,376.59 : 116,064.92 = 51,075.18 : x
  2. Step 2: Convert to fraction form
    77,376.59/116,064.92 = 51,075.18/x
  3. Step 3: Cross multiply
    77,376.59x = 116,064.92 × 51,075.18
  4. Step 4: Simplify right side
    77,376.59x = 5,928,036,425.31
  5. Step 5: Solve for x
    x = 5,928,036,425.31/77,376.59
  6. Step 6: Final answer
    x = 76,612.79

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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.