Home / 86,748.12-119,666.18-52,767

Finding the Fourth Proportional to 86,748.12, 119,666.18 and 52,767

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Solution

The fourth proportional to 86,748.12, 119,666.18 and 52,767 is: 72,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,748.12 : 119,666.18 = 52,767 : x
  2. Step 2: Convert to fraction form
    86,748.12/119,666.18 = 52,767/x
  3. Step 3: Cross multiply
    86,748.12x = 119,666.18 × 52,767
  4. Step 4: Simplify right side
    86,748.12x = 6,314,425,451.98
  5. Step 5: Solve for x
    x = 6,314,425,451.98/86,748.12
  6. Step 6: Final answer
    x = 72,790.34

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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.