Home / 66,090.13-99,200.85-51,459.10

Finding the Fourth Proportional to 66,090.13, 99,200.85 and 51,459.10

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Solution

The fourth proportional to 66,090.13, 99,200.85 and 51,459.10 is: 77,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090.13 : 99,200.85 = 51,459.10 : x
  2. Step 2: Convert to fraction form
    66,090.13/99,200.85 = 51,459.10/x
  3. Step 3: Cross multiply
    66,090.13x = 99,200.85 × 51,459.10
  4. Step 4: Simplify right side
    66,090.13x = 5,104,786,460.24
  5. Step 5: Solve for x
    x = 5,104,786,460.24/66,090.13
  6. Step 6: Final answer
    x = 77,239.77

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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.