Home / 82,817.10-124,225.65-53,268.30

Finding the Fourth Proportional to 82,817.10, 124,225.65 and 53,268.30

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Solution

The fourth proportional to 82,817.10, 124,225.65 and 53,268.30 is: 79,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,817.10 : 124,225.65 = 53,268.30 : x
  2. Step 2: Convert to fraction form
    82,817.10/124,225.65 = 53,268.30/x
  3. Step 3: Cross multiply
    82,817.10x = 124,225.65 × 53,268.30
  4. Step 4: Simplify right side
    82,817.10x = 6,617,289,191.90
  5. Step 5: Solve for x
    x = 6,617,289,191.90/82,817.10
  6. Step 6: Final answer
    x = 79,902.45

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1.5x scale

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.