Home / 93,543.78-129,090.87-51,103.02

Finding the Fourth Proportional to 93,543.78, 129,090.87 and 51,103.02

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Solution

The fourth proportional to 93,543.78, 129,090.87 and 51,103.02 is: 70,522.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,543.78 : 129,090.87 = 51,103.02 : x
  2. Step 2: Convert to fraction form
    93,543.78/129,090.87 = 51,103.02/x
  3. Step 3: Cross multiply
    93,543.78x = 129,090.87 × 51,103.02
  4. Step 4: Simplify right side
    93,543.78x = 6,596,933,311.43
  5. Step 5: Solve for x
    x = 6,596,933,311.43/93,543.78
  6. Step 6: Final answer
    x = 70,522.42

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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.