Home / 97,349.28-145,967.88-38,115.60

Finding the Fourth Proportional to 97,349.28, 145,967.88 and 38,115.60

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Solution

The fourth proportional to 97,349.28, 145,967.88 and 38,115.60 is: 57,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,349.28 : 145,967.88 = 38,115.60 : x
  2. Step 2: Convert to fraction form
    97,349.28/145,967.88 = 38,115.60/x
  3. Step 3: Cross multiply
    97,349.28x = 145,967.88 × 38,115.60
  4. Step 4: Simplify right side
    97,349.28x = 5,563,653,326.93
  5. Step 5: Solve for x
    x = 5,563,653,326.93/97,349.28
  6. Step 6: Final answer
    x = 57,151.46

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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.