Home / 93,109.23-128,493.64-52,824.69

Finding the Fourth Proportional to 93,109.23, 128,493.64 and 52,824.69

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Solution

The fourth proportional to 93,109.23, 128,493.64 and 52,824.69 is: 72,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,109.23 : 128,493.64 = 52,824.69 : x
  2. Step 2: Convert to fraction form
    93,109.23/128,493.64 = 52,824.69/x
  3. Step 3: Cross multiply
    93,109.23x = 128,493.64 × 52,824.69
  4. Step 4: Simplify right side
    93,109.23x = 6,787,636,766.00
  5. Step 5: Solve for x
    x = 6,787,636,766.00/93,109.23
  6. Step 6: Final answer
    x = 72,899.72

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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.