Home / 93,979.68-129,681.72-51,537.84

Finding the Fourth Proportional to 93,979.68, 129,681.72 and 51,537.84

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Solution

The fourth proportional to 93,979.68, 129,681.72 and 51,537.84 is: 71,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,979.68 : 129,681.72 = 51,537.84 : x
  2. Step 2: Convert to fraction form
    93,979.68/129,681.72 = 51,537.84/x
  3. Step 3: Cross multiply
    93,979.68x = 129,681.72 × 51,537.84
  4. Step 4: Simplify right side
    93,979.68x = 6,683,515,736.28
  5. Step 5: Solve for x
    x = 6,683,515,736.28/93,979.68
  6. Step 6: Final answer
    x = 71,116.60

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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.