Home / 64,270.77-88,648.22-55,302.85

Finding the Fourth Proportional to 64,270.77, 88,648.22 and 55,302.85

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Solution

The fourth proportional to 64,270.77, 88,648.22 and 55,302.85 is: 76,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,270.77 : 88,648.22 = 55,302.85 : x
  2. Step 2: Convert to fraction form
    64,270.77/88,648.22 = 55,302.85/x
  3. Step 3: Cross multiply
    64,270.77x = 88,648.22 × 55,302.85
  4. Step 4: Simplify right side
    64,270.77x = 4,902,499,462.49
  5. Step 5: Solve for x
    x = 4,902,499,462.49/64,270.77
  6. Step 6: Final answer
    x = 76,278.84

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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.