Home / 88,163.43-121,702.78-59,521.89

Finding the Fourth Proportional to 88,163.43, 121,702.78 and 59,521.89

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Solution

The fourth proportional to 88,163.43, 121,702.78 and 59,521.89 is: 82,165.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,163.43 : 121,702.78 = 59,521.89 : x
  2. Step 2: Convert to fraction form
    88,163.43/121,702.78 = 59,521.89/x
  3. Step 3: Cross multiply
    88,163.43x = 121,702.78 × 59,521.89
  4. Step 4: Simplify right side
    88,163.43x = 7,243,978,991.51
  5. Step 5: Solve for x
    x = 7,243,978,991.51/88,163.43
  6. Step 6: Final answer
    x = 82,165.35

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1.5x scale

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.