Home / 110,821.77-152,939.95-63,090.50

Finding the Fourth Proportional to 110,821.77, 152,939.95 and 63,090.50

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Solution

The fourth proportional to 110,821.77, 152,939.95 and 63,090.50 is: 87,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,821.77 : 152,939.95 = 63,090.50 : x
  2. Step 2: Convert to fraction form
    110,821.77/152,939.95 = 63,090.50/x
  3. Step 3: Cross multiply
    110,821.77x = 152,939.95 × 63,090.50
  4. Step 4: Simplify right side
    110,821.77x = 9,649,056,993.05
  5. Step 5: Solve for x
    x = 9,649,056,993.05/110,821.77
  6. Step 6: Final answer
    x = 87,068.24

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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.