Home / 96,988.12-145,349.47-73,276.18

Finding the Fourth Proportional to 96,988.12, 145,349.47 and 73,276.18

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Solution

The fourth proportional to 96,988.12, 145,349.47 and 73,276.18 is: 109,814.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,988.12 : 145,349.47 = 73,276.18 : x
  2. Step 2: Convert to fraction form
    96,988.12/145,349.47 = 73,276.18/x
  3. Step 3: Cross multiply
    96,988.12x = 145,349.47 × 73,276.18
  4. Step 4: Simplify right side
    96,988.12x = 10,650,653,926.62
  5. Step 5: Solve for x
    x = 10,650,653,926.62/96,988.12
  6. Step 6: Final answer
    x = 109,814.01

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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.