Home / 88,700.25-122,406.35-60,455.28

Finding the Fourth Proportional to 88,700.25, 122,406.35 and 60,455.28

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Solution

The fourth proportional to 88,700.25, 122,406.35 and 60,455.28 is: 83,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,700.25 : 122,406.35 = 60,455.28 : x
  2. Step 2: Convert to fraction form
    88,700.25/122,406.35 = 60,455.28/x
  3. Step 3: Cross multiply
    88,700.25x = 122,406.35 × 60,455.28
  4. Step 4: Simplify right side
    88,700.25x = 7,400,110,163.03
  5. Step 5: Solve for x
    x = 7,400,110,163.03/88,700.25
  6. Step 6: Final answer
    x = 83,428.29

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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.