Home / 66,143.23-99,111.16-56,241.79

Finding the Fourth Proportional to 66,143.23, 99,111.16 and 56,241.79

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Solution

The fourth proportional to 66,143.23, 99,111.16 and 56,241.79 is: 84,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,143.23 : 99,111.16 = 56,241.79 : x
  2. Step 2: Convert to fraction form
    66,143.23/99,111.16 = 56,241.79/x
  3. Step 3: Cross multiply
    66,143.23x = 99,111.16 × 56,241.79
  4. Step 4: Simplify right side
    66,143.23x = 5,574,189,047.38
  5. Step 5: Solve for x
    x = 5,574,189,047.38/66,143.23
  6. Step 6: Final answer
    x = 84,274.52

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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.