Home / 77,567.31-107,036.58-43,573.95

Finding the Fourth Proportional to 77,567.31, 107,036.58 and 43,573.95

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Solution

The fourth proportional to 77,567.31, 107,036.58 and 43,573.95 is: 60,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,567.31 : 107,036.58 = 43,573.95 : x
  2. Step 2: Convert to fraction form
    77,567.31/107,036.58 = 43,573.95/x
  3. Step 3: Cross multiply
    77,567.31x = 107,036.58 × 43,573.95
  4. Step 4: Simplify right side
    77,567.31x = 4,664,006,585.09
  5. Step 5: Solve for x
    x = 4,664,006,585.09/77,567.31
  6. Step 6: Final answer
    x = 60,128.51

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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.