Home / 96,867.96-145,303.02-30,305.40

Finding the Fourth Proportional to 96,867.96, 145,303.02 and 30,305.40

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Solution

The fourth proportional to 96,867.96, 145,303.02 and 30,305.40 is: 45,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,867.96 : 145,303.02 = 30,305.40 : x
  2. Step 2: Convert to fraction form
    96,867.96/145,303.02 = 30,305.40/x
  3. Step 3: Cross multiply
    96,867.96x = 145,303.02 × 30,305.40
  4. Step 4: Simplify right side
    96,867.96x = 4,403,466,142.31
  5. Step 5: Solve for x
    x = 4,403,466,142.31/96,867.96
  6. Step 6: Final answer
    x = 45,458.44

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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.