Home / 81,455.30-122,292.30-52,003.70

Finding the Fourth Proportional to 81,455.30, 122,292.30 and 52,003.70

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Solution

The fourth proportional to 81,455.30, 122,292.30 and 52,003.70 is: 78,075.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,455.30 : 122,292.30 = 52,003.70 : x
  2. Step 2: Convert to fraction form
    81,455.30/122,292.30 = 52,003.70/x
  3. Step 3: Cross multiply
    81,455.30x = 122,292.30 × 52,003.70
  4. Step 4: Simplify right side
    81,455.30x = 6,359,652,081.51
  5. Step 5: Solve for x
    x = 6,359,652,081.51/81,455.30
  6. Step 6: Final answer
    x = 78,075.36

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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.