Home / 88,840.64-122,588.28-57,052.60

Finding the Fourth Proportional to 88,840.64, 122,588.28 and 57,052.60

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Solution

The fourth proportional to 88,840.64, 122,588.28 and 57,052.60 is: 78,725.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,840.64 : 122,588.28 = 57,052.60 : x
  2. Step 2: Convert to fraction form
    88,840.64/122,588.28 = 57,052.60/x
  3. Step 3: Cross multiply
    88,840.64x = 122,588.28 × 57,052.60
  4. Step 4: Simplify right side
    88,840.64x = 6,993,980,103.53
  5. Step 5: Solve for x
    x = 6,993,980,103.53/88,840.64
  6. Step 6: Final answer
    x = 78,725.01

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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.