Home / 77,566.60-115,824.44-61,592.36

Finding the Fourth Proportional to 77,566.60, 115,824.44 and 61,592.36

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Solution

The fourth proportional to 77,566.60, 115,824.44 and 61,592.36 is: 91,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,566.60 : 115,824.44 = 61,592.36 : x
  2. Step 2: Convert to fraction form
    77,566.60/115,824.44 = 61,592.36/x
  3. Step 3: Cross multiply
    77,566.60x = 115,824.44 × 61,592.36
  4. Step 4: Simplify right side
    77,566.60x = 7,133,900,605.28
  5. Step 5: Solve for x
    x = 7,133,900,605.28/77,566.60
  6. Step 6: Final answer
    x = 91,971.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.