Home / 93,396.20-128,849.88-57,524

Finding the Fourth Proportional to 93,396.20, 128,849.88 and 57,524

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Solution

The fourth proportional to 93,396.20, 128,849.88 and 57,524 is: 79,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,396.20 : 128,849.88 = 57,524 : x
  2. Step 2: Convert to fraction form
    93,396.20/128,849.88 = 57,524/x
  3. Step 3: Cross multiply
    93,396.20x = 128,849.88 × 57,524
  4. Step 4: Simplify right side
    93,396.20x = 7,411,960,497.12
  5. Step 5: Solve for x
    x = 7,411,960,497.12/93,396.20
  6. Step 6: Final answer
    x = 79,360.41

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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.