Home / 88,718.40-122,436-50,996.16

Finding the Fourth Proportional to 88,718.40, 122,436 and 50,996.16

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Solution

The fourth proportional to 88,718.40, 122,436 and 50,996.16 is: 70,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,718.40 : 122,436 = 50,996.16 : x
  2. Step 2: Convert to fraction form
    88,718.40/122,436 = 50,996.16/x
  3. Step 3: Cross multiply
    88,718.40x = 122,436 × 50,996.16
  4. Step 4: Simplify right side
    88,718.40x = 6,243,765,845.76
  5. Step 5: Solve for x
    x = 6,243,765,845.76/88,718.40
  6. Step 6: Final answer
    x = 70,377.35

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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.