Home / 93,860.43-129,530.61-51,418.95

Finding the Fourth Proportional to 93,860.43, 129,530.61 and 51,418.95

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Solution

The fourth proportional to 93,860.43, 129,530.61 and 51,418.95 is: 70,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,860.43 : 129,530.61 = 51,418.95 : x
  2. Step 2: Convert to fraction form
    93,860.43/129,530.61 = 51,418.95/x
  3. Step 3: Cross multiply
    93,860.43x = 129,530.61 × 51,418.95
  4. Step 4: Simplify right side
    93,860.43x = 6,660,327,959.06
  5. Step 5: Solve for x
    x = 6,660,327,959.06/93,860.43
  6. Step 6: Final answer
    x = 70,959.91

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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.