Home / 97,276.08-145,807.20-38,100.72

Finding the Fourth Proportional to 97,276.08, 145,807.20 and 38,100.72

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Solution

The fourth proportional to 97,276.08, 145,807.20 and 38,100.72 is: 57,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,276.08 : 145,807.20 = 38,100.72 : x
  2. Step 2: Convert to fraction form
    97,276.08/145,807.20 = 38,100.72/x
  3. Step 3: Cross multiply
    97,276.08x = 145,807.20 × 38,100.72
  4. Step 4: Simplify right side
    97,276.08x = 5,555,359,301.18
  5. Step 5: Solve for x
    x = 5,555,359,301.18/97,276.08
  6. Step 6: Final answer
    x = 57,109.20

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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.