Home / 93,530.13-140,308.40-30,329.02

Finding the Fourth Proportional to 93,530.13, 140,308.40 and 30,329.02

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Solution

The fourth proportional to 93,530.13, 140,308.40 and 30,329.02 is: 45,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,530.13 : 140,308.40 = 30,329.02 : x
  2. Step 2: Convert to fraction form
    93,530.13/140,308.40 = 30,329.02/x
  3. Step 3: Cross multiply
    93,530.13x = 140,308.40 × 30,329.02
  4. Step 4: Simplify right side
    93,530.13x = 4,255,415,731.74
  5. Step 5: Solve for x
    x = 4,255,415,731.74/93,530.13
  6. Step 6: Final answer
    x = 45,497.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.