Home / 61,785.83-85,268.12-34,930.82

Finding the Fourth Proportional to 61,785.83, 85,268.12 and 34,930.82

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Solution

The fourth proportional to 61,785.83, 85,268.12 and 34,930.82 is: 48,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,785.83 : 85,268.12 = 34,930.82 : x
  2. Step 2: Convert to fraction form
    61,785.83/85,268.12 = 34,930.82/x
  3. Step 3: Cross multiply
    61,785.83x = 85,268.12 × 34,930.82
  4. Step 4: Simplify right side
    61,785.83x = 2,978,484,750.46
  5. Step 5: Solve for x
    x = 2,978,484,750.46/61,785.83
  6. Step 6: Final answer
    x = 48,206.60

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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.