Home / 93,559.24-129,142.52-74,474.02

Finding the Fourth Proportional to 93,559.24, 129,142.52 and 74,474.02

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Solution

The fourth proportional to 93,559.24, 129,142.52 and 74,474.02 is: 102,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,559.24 : 129,142.52 = 74,474.02 : x
  2. Step 2: Convert to fraction form
    93,559.24/129,142.52 = 74,474.02/x
  3. Step 3: Cross multiply
    93,559.24x = 129,142.52 × 74,474.02
  4. Step 4: Simplify right side
    93,559.24x = 9,617,762,617.33
  5. Step 5: Solve for x
    x = 9,617,762,617.33/93,559.24
  6. Step 6: Final answer
    x = 102,798.64

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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.