Home / 55,840.83-77,060.60-30,691.95

Finding the Fourth Proportional to 55,840.83, 77,060.60 and 30,691.95

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Solution

The fourth proportional to 55,840.83, 77,060.60 and 30,691.95 is: 42,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,840.83 : 77,060.60 = 30,691.95 : x
  2. Step 2: Convert to fraction form
    55,840.83/77,060.60 = 30,691.95/x
  3. Step 3: Cross multiply
    55,840.83x = 77,060.60 × 30,691.95
  4. Step 4: Simplify right side
    55,840.83x = 2,365,139,928.71
  5. Step 5: Solve for x
    x = 2,365,139,928.71/55,840.83
  6. Step 6: Final answer
    x = 42,355.03

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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.