Home / 77,282.10-115,959.60-57,599.10

Finding the Fourth Proportional to 77,282.10, 115,959.60 and 57,599.10

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Solution

The fourth proportional to 77,282.10, 115,959.60 and 57,599.10 is: 86,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,282.10 : 115,959.60 = 57,599.10 : x
  2. Step 2: Convert to fraction form
    77,282.10/115,959.60 = 57,599.10/x
  3. Step 3: Cross multiply
    77,282.10x = 115,959.60 × 57,599.10
  4. Step 4: Simplify right side
    77,282.10x = 6,679,168,596.36
  5. Step 5: Solve for x
    x = 6,679,168,596.36/77,282.10
  6. Step 6: Final answer
    x = 86,425.82

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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.