Home / 66,331.36-99,008.60-60,790.96

Finding the Fourth Proportional to 66,331.36, 99,008.60 and 60,790.96

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Solution

The fourth proportional to 66,331.36, 99,008.60 and 60,790.96 is: 90,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,331.36 : 99,008.60 = 60,790.96 : x
  2. Step 2: Convert to fraction form
    66,331.36/99,008.60 = 60,790.96/x
  3. Step 3: Cross multiply
    66,331.36x = 99,008.60 × 60,790.96
  4. Step 4: Simplify right side
    66,331.36x = 6,018,827,842.26
  5. Step 5: Solve for x
    x = 6,018,827,842.26/66,331.36
  6. Step 6: Final answer
    x = 90,738.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.