Home / 116,312.28-174,520.26-42,423

Finding the Fourth Proportional to 116,312.28, 174,520.26 and 42,423

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Solution

The fourth proportional to 116,312.28, 174,520.26 and 42,423 is: 63,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,312.28 : 174,520.26 = 42,423 : x
  2. Step 2: Convert to fraction form
    116,312.28/174,520.26 = 42,423/x
  3. Step 3: Cross multiply
    116,312.28x = 174,520.26 × 42,423
  4. Step 4: Simplify right side
    116,312.28x = 7,403,672,989.98
  5. Step 5: Solve for x
    x = 7,403,672,989.98/116,312.28
  6. Step 6: Final answer
    x = 63,653.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.