Home / 93,984.36-129,700.08-51,542.52

Finding the Fourth Proportional to 93,984.36, 129,700.08 and 51,542.52

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Solution

The fourth proportional to 93,984.36, 129,700.08 and 51,542.52 is: 71,129.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,984.36 : 129,700.08 = 51,542.52 : x
  2. Step 2: Convert to fraction form
    93,984.36/129,700.08 = 51,542.52/x
  3. Step 3: Cross multiply
    93,984.36x = 129,700.08 × 51,542.52
  4. Step 4: Simplify right side
    93,984.36x = 6,685,068,967.40
  5. Step 5: Solve for x
    x = 6,685,068,967.40/93,984.36
  6. Step 6: Final answer
    x = 71,129.59

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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.