Home / 76,386.30-114,579.45-50,106.30

Finding the Fourth Proportional to 76,386.30, 114,579.45 and 50,106.30

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Solution

The fourth proportional to 76,386.30, 114,579.45 and 50,106.30 is: 75,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,386.30 : 114,579.45 = 50,106.30 : x
  2. Step 2: Convert to fraction form
    76,386.30/114,579.45 = 50,106.30/x
  3. Step 3: Cross multiply
    76,386.30x = 114,579.45 × 50,106.30
  4. Step 4: Simplify right side
    76,386.30x = 5,741,152,295.54
  5. Step 5: Solve for x
    x = 5,741,152,295.54/76,386.30
  6. Step 6: Final answer
    x = 75,159.45

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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.