Home / 93,766.22-129,386.02-74,694.58

Finding the Fourth Proportional to 93,766.22, 129,386.02 and 74,694.58

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Solution

The fourth proportional to 93,766.22, 129,386.02 and 74,694.58 is: 103,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,766.22 : 129,386.02 = 74,694.58 : x
  2. Step 2: Convert to fraction form
    93,766.22/129,386.02 = 74,694.58/x
  3. Step 3: Cross multiply
    93,766.22x = 129,386.02 × 74,694.58
  4. Step 4: Simplify right side
    93,766.22x = 9,664,434,421.77
  5. Step 5: Solve for x
    x = 9,664,434,421.77/93,766.22
  6. Step 6: Final answer
    x = 103,069.47

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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.