Home / 93,964.86-129,583.40-74,907.86

Finding the Fourth Proportional to 93,964.86, 129,583.40 and 74,907.86

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Solution

The fourth proportional to 93,964.86, 129,583.40 and 74,907.86 is: 103,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,964.86 : 129,583.40 = 74,907.86 : x
  2. Step 2: Convert to fraction form
    93,964.86/129,583.40 = 74,907.86/x
  3. Step 3: Cross multiply
    93,964.86x = 129,583.40 × 74,907.86
  4. Step 4: Simplify right side
    93,964.86x = 9,706,814,163.07
  5. Step 5: Solve for x
    x = 9,706,814,163.07/93,964.86
  6. Step 6: Final answer
    x = 103,302.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.