Home / 86,507.64-119,389.68-50,699.16

Finding the Fourth Proportional to 86,507.64, 119,389.68 and 50,699.16

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Solution

The fourth proportional to 86,507.64, 119,389.68 and 50,699.16 is: 69,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,507.64 : 119,389.68 = 50,699.16 : x
  2. Step 2: Convert to fraction form
    86,507.64/119,389.68 = 50,699.16/x
  3. Step 3: Cross multiply
    86,507.64x = 119,389.68 × 50,699.16
  4. Step 4: Simplify right side
    86,507.64x = 6,052,956,488.67
  5. Step 5: Solve for x
    x = 6,052,956,488.67/86,507.64
  6. Step 6: Final answer
    x = 69,970.20

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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.