Home / 66,129.48-99,090.54-56,228.04

Finding the Fourth Proportional to 66,129.48, 99,090.54 and 56,228.04

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Solution

The fourth proportional to 66,129.48, 99,090.54 and 56,228.04 is: 84,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,129.48 : 99,090.54 = 56,228.04 : x
  2. Step 2: Convert to fraction form
    66,129.48/99,090.54 = 56,228.04/x
  3. Step 3: Cross multiply
    66,129.48x = 99,090.54 × 56,228.04
  4. Step 4: Simplify right side
    66,129.48x = 5,571,666,846.74
  5. Step 5: Solve for x
    x = 5,571,666,846.74/66,129.48
  6. Step 6: Final answer
    x = 84,253.90

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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.