Home / 88,623.90-122,312.85-56,361.66

Finding the Fourth Proportional to 88,623.90, 122,312.85 and 56,361.66

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Solution

The fourth proportional to 88,623.90, 122,312.85 and 56,361.66 is: 77,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,623.90 : 122,312.85 = 56,361.66 : x
  2. Step 2: Convert to fraction form
    88,623.90/122,312.85 = 56,361.66/x
  3. Step 3: Cross multiply
    88,623.90x = 122,312.85 × 56,361.66
  4. Step 4: Simplify right side
    88,623.90x = 6,893,755,265.33
  5. Step 5: Solve for x
    x = 6,893,755,265.33/88,623.90
  6. Step 6: Final answer
    x = 77,786.64

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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.