Home / 66,143.12-99,655.93-59,825.27

Finding the Fourth Proportional to 66,143.12, 99,655.93 and 59,825.27

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Solution

The fourth proportional to 66,143.12, 99,655.93 and 59,825.27 is: 90,137.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,143.12 : 99,655.93 = 59,825.27 : x
  2. Step 2: Convert to fraction form
    66,143.12/99,655.93 = 59,825.27/x
  3. Step 3: Cross multiply
    66,143.12x = 99,655.93 × 59,825.27
  4. Step 4: Simplify right side
    66,143.12x = 5,961,943,243.27
  5. Step 5: Solve for x
    x = 5,961,943,243.27/66,143.12
  6. Step 6: Final answer
    x = 90,137.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.