Home / 93,845.81-129,507.23-51,405.86

Finding the Fourth Proportional to 93,845.81, 129,507.23 and 51,405.86

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Solution

The fourth proportional to 93,845.81, 129,507.23 and 51,405.86 is: 70,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,845.81 : 129,507.23 = 51,405.86 : x
  2. Step 2: Convert to fraction form
    93,845.81/129,507.23 = 51,405.86/x
  3. Step 3: Cross multiply
    93,845.81x = 129,507.23 × 51,405.86
  4. Step 4: Simplify right side
    93,845.81x = 6,657,430,986.65
  5. Step 5: Solve for x
    x = 6,657,430,986.65/93,845.81
  6. Step 6: Final answer
    x = 70,940.10

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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.