Home / 82,913.79-114,439.49-52,693.21

Finding the Fourth Proportional to 82,913.79, 114,439.49 and 52,693.21

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Solution

The fourth proportional to 82,913.79, 114,439.49 and 52,693.21 is: 72,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,913.79 : 114,439.49 = 52,693.21 : x
  2. Step 2: Convert to fraction form
    82,913.79/114,439.49 = 52,693.21/x
  3. Step 3: Cross multiply
    82,913.79x = 114,439.49 × 52,693.21
  4. Step 4: Simplify right side
    82,913.79x = 6,030,183,815.40
  5. Step 5: Solve for x
    x = 6,030,183,815.40/82,913.79
  6. Step 6: Final answer
    x = 72,728.36

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1.5x scale

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.