Home / 66,041.74-91,031.07-54,083.98

Finding the Fourth Proportional to 66,041.74, 91,031.07 and 54,083.98

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Solution

The fourth proportional to 66,041.74, 91,031.07 and 54,083.98 is: 74,548.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,041.74 : 91,031.07 = 54,083.98 : x
  2. Step 2: Convert to fraction form
    66,041.74/91,031.07 = 54,083.98/x
  3. Step 3: Cross multiply
    66,041.74x = 91,031.07 × 54,083.98
  4. Step 4: Simplify right side
    66,041.74x = 4,923,322,569.26
  5. Step 5: Solve for x
    x = 4,923,322,569.26/66,041.74
  6. Step 6: Final answer
    x = 74,548.65

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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.