Home / 84,518.48-126,796.94-45,054.80

Finding the Fourth Proportional to 84,518.48, 126,796.94 and 45,054.80

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Solution

The fourth proportional to 84,518.48, 126,796.94 and 45,054.80 is: 67,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,518.48 : 126,796.94 = 45,054.80 : x
  2. Step 2: Convert to fraction form
    84,518.48/126,796.94 = 45,054.80/x
  3. Step 3: Cross multiply
    84,518.48x = 126,796.94 × 45,054.80
  4. Step 4: Simplify right side
    84,518.48x = 5,712,810,772.31
  5. Step 5: Solve for x
    x = 5,712,810,772.31/84,518.48
  6. Step 6: Final answer
    x = 67,592.45

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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.