Home / 88,893.05-122,671.26-53,130.74

Finding the Fourth Proportional to 88,893.05, 122,671.26 and 53,130.74

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Solution

The fourth proportional to 88,893.05, 122,671.26 and 53,130.74 is: 73,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,893.05 : 122,671.26 = 53,130.74 : x
  2. Step 2: Convert to fraction form
    88,893.05/122,671.26 = 53,130.74/x
  3. Step 3: Cross multiply
    88,893.05x = 122,671.26 × 53,130.74
  4. Step 4: Simplify right side
    88,893.05x = 6,517,614,207.18
  5. Step 5: Solve for x
    x = 6,517,614,207.18/88,893.05
  6. Step 6: Final answer
    x = 73,319.73

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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.