Home / 70,411.20-97,165.35-38,579.01

Finding the Fourth Proportional to 70,411.20, 97,165.35 and 38,579.01

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Solution

The fourth proportional to 70,411.20, 97,165.35 and 38,579.01 is: 53,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,411.20 : 97,165.35 = 38,579.01 : x
  2. Step 2: Convert to fraction form
    70,411.20/97,165.35 = 38,579.01/x
  3. Step 3: Cross multiply
    70,411.20x = 97,165.35 × 38,579.01
  4. Step 4: Simplify right side
    70,411.20x = 3,748,543,009.30
  5. Step 5: Solve for x
    x = 3,748,543,009.30/70,411.20
  6. Step 6: Final answer
    x = 53,237.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.