Home / 76,275.52-114,453.16-55,388.08

Finding the Fourth Proportional to 76,275.52, 114,453.16 and 55,388.08

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Solution

The fourth proportional to 76,275.52, 114,453.16 and 55,388.08 is: 83,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,275.52 : 114,453.16 = 55,388.08 : x
  2. Step 2: Convert to fraction form
    76,275.52/114,453.16 = 55,388.08/x
  3. Step 3: Cross multiply
    76,275.52x = 114,453.16 × 55,388.08
  4. Step 4: Simplify right side
    76,275.52x = 6,339,340,782.33
  5. Step 5: Solve for x
    x = 6,339,340,782.33/76,275.52
  6. Step 6: Final answer
    x = 83,111.08

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1.5x scale

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.