Home / 86,507.24-119,399.10-56,239.88

Finding the Fourth Proportional to 86,507.24, 119,399.10 and 56,239.88

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Solution

The fourth proportional to 86,507.24, 119,399.10 and 56,239.88 is: 77,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,507.24 : 119,399.10 = 56,239.88 : x
  2. Step 2: Convert to fraction form
    86,507.24/119,399.10 = 56,239.88/x
  3. Step 3: Cross multiply
    86,507.24x = 119,399.10 × 56,239.88
  4. Step 4: Simplify right side
    86,507.24x = 6,714,991,056.11
  5. Step 5: Solve for x
    x = 6,714,991,056.11/86,507.24
  6. Step 6: Final answer
    x = 77,623.46

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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.