Home / 88,870.43-122,642.65-53,063.57

Finding the Fourth Proportional to 88,870.43, 122,642.65 and 53,063.57

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Solution

The fourth proportional to 88,870.43, 122,642.65 and 53,063.57 is: 73,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,870.43 : 122,642.65 = 53,063.57 : x
  2. Step 2: Convert to fraction form
    88,870.43/122,642.65 = 53,063.57/x
  3. Step 3: Cross multiply
    88,870.43x = 122,642.65 × 53,063.57
  4. Step 4: Simplify right side
    88,870.43x = 6,507,856,843.26
  5. Step 5: Solve for x
    x = 6,507,856,843.26/88,870.43
  6. Step 6: Final answer
    x = 73,228.60

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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.