Home / 88,697.44-122,381.04-55,139.68

Finding the Fourth Proportional to 88,697.44, 122,381.04 and 55,139.68

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Solution

The fourth proportional to 88,697.44, 122,381.04 and 55,139.68 is: 76,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,697.44 : 122,381.04 = 55,139.68 : x
  2. Step 2: Convert to fraction form
    88,697.44/122,381.04 = 55,139.68/x
  3. Step 3: Cross multiply
    88,697.44x = 122,381.04 × 55,139.68
  4. Step 4: Simplify right side
    88,697.44x = 6,748,051,383.67
  5. Step 5: Solve for x
    x = 6,748,051,383.67/88,697.44
  6. Step 6: Final answer
    x = 76,079.44

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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.