Home / 88,986.52-122,807.10-51,260.12

Finding the Fourth Proportional to 88,986.52, 122,807.10 and 51,260.12

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Solution

The fourth proportional to 88,986.52, 122,807.10 and 51,260.12 is: 70,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,986.52 : 122,807.10 = 51,260.12 : x
  2. Step 2: Convert to fraction form
    88,986.52/122,807.10 = 51,260.12/x
  3. Step 3: Cross multiply
    88,986.52x = 122,807.10 × 51,260.12
  4. Step 4: Simplify right side
    88,986.52x = 6,295,106,682.85
  5. Step 5: Solve for x
    x = 6,295,106,682.85/88,986.52
  6. Step 6: Final answer
    x = 70,742.25

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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.