Home / 94,308.08-130,142.54-51,866.64

Finding the Fourth Proportional to 94,308.08, 130,142.54 and 51,866.64

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Solution

The fourth proportional to 94,308.08, 130,142.54 and 51,866.64 is: 71,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,308.08 : 130,142.54 = 51,866.64 : x
  2. Step 2: Convert to fraction form
    94,308.08/130,142.54 = 51,866.64/x
  3. Step 3: Cross multiply
    94,308.08x = 130,142.54 × 51,866.64
  4. Step 4: Simplify right side
    94,308.08x = 6,750,056,270.87
  5. Step 5: Solve for x
    x = 6,750,056,270.87/94,308.08
  6. Step 6: Final answer
    x = 71,574.53

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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.