Home / 88,778.82-122,518.41-51,053.07

Finding the Fourth Proportional to 88,778.82, 122,518.41 and 51,053.07

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Solution

The fourth proportional to 88,778.82, 122,518.41 and 51,053.07 is: 70,455.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,778.82 : 122,518.41 = 51,053.07 : x
  2. Step 2: Convert to fraction form
    88,778.82/122,518.41 = 51,053.07/x
  3. Step 3: Cross multiply
    88,778.82x = 122,518.41 × 51,053.07
  4. Step 4: Simplify right side
    88,778.82x = 6,254,940,962.02
  5. Step 5: Solve for x
    x = 6,254,940,962.02/88,778.82
  6. Step 6: Final answer
    x = 70,455.33

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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.