Home / 64,870.20-97,305.30-56,122.20

Finding the Fourth Proportional to 64,870.20, 97,305.30 and 56,122.20

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Solution

The fourth proportional to 64,870.20, 97,305.30 and 56,122.20 is: 84,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,870.20 : 97,305.30 = 56,122.20 : x
  2. Step 2: Convert to fraction form
    64,870.20/97,305.30 = 56,122.20/x
  3. Step 3: Cross multiply
    64,870.20x = 97,305.30 × 56,122.20
  4. Step 4: Simplify right side
    64,870.20x = 5,460,987,507.66
  5. Step 5: Solve for x
    x = 5,460,987,507.66/64,870.20
  6. Step 6: Final answer
    x = 84,183.30

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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.