Home / 86,806.08-130,027.68-55,482.24

Finding the Fourth Proportional to 86,806.08, 130,027.68 and 55,482.24

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Solution

The fourth proportional to 86,806.08, 130,027.68 and 55,482.24 is: 83,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,806.08 : 130,027.68 = 55,482.24 : x
  2. Step 2: Convert to fraction form
    86,806.08/130,027.68 = 55,482.24/x
  3. Step 3: Cross multiply
    86,806.08x = 130,027.68 × 55,482.24
  4. Step 4: Simplify right side
    86,806.08x = 7,214,226,948.40
  5. Step 5: Solve for x
    x = 7,214,226,948.40/86,806.08
  6. Step 6: Final answer
    x = 83,107.39

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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.