Home / 88,875.24-122,661.20-51,142.20

Finding the Fourth Proportional to 88,875.24, 122,661.20 and 51,142.20

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Solution

The fourth proportional to 88,875.24, 122,661.20 and 51,142.20 is: 70,583.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,875.24 : 122,661.20 = 51,142.20 : x
  2. Step 2: Convert to fraction form
    88,875.24/122,661.20 = 51,142.20/x
  3. Step 3: Cross multiply
    88,875.24x = 122,661.20 × 51,142.20
  4. Step 4: Simplify right side
    88,875.24x = 6,273,163,622.64
  5. Step 5: Solve for x
    x = 6,273,163,622.64/88,875.24
  6. Step 6: Final answer
    x = 70,583.93

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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.