Home / 84,011.40-115,937.82-51,733.80

Finding the Fourth Proportional to 84,011.40, 115,937.82 and 51,733.80

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Solution

The fourth proportional to 84,011.40, 115,937.82 and 51,733.80 is: 71,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,011.40 : 115,937.82 = 51,733.80 : x
  2. Step 2: Convert to fraction form
    84,011.40/115,937.82 = 51,733.80/x
  3. Step 3: Cross multiply
    84,011.40x = 115,937.82 × 51,733.80
  4. Step 4: Simplify right side
    84,011.40x = 5,997,903,992.32
  5. Step 5: Solve for x
    x = 5,997,903,992.32/84,011.40
  6. Step 6: Final answer
    x = 71,393.93

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1.5x scale

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.