Home / 55,881.18-77,102.49-35,455.79

Finding the Fourth Proportional to 55,881.18, 77,102.49 and 35,455.79

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Solution

The fourth proportional to 55,881.18, 77,102.49 and 35,455.79 is: 48,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,881.18 : 77,102.49 = 35,455.79 : x
  2. Step 2: Convert to fraction form
    55,881.18/77,102.49 = 35,455.79/x
  3. Step 3: Cross multiply
    55,881.18x = 77,102.49 × 35,455.79
  4. Step 4: Simplify right side
    55,881.18x = 2,733,729,308.40
  5. Step 5: Solve for x
    x = 2,733,729,308.40/55,881.18
  6. Step 6: Final answer
    x = 48,920.39

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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.