Home / 82,697.55-114,148.20-61,505.52

Finding the Fourth Proportional to 82,697.55, 114,148.20 and 61,505.52

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Solution

The fourth proportional to 82,697.55, 114,148.20 and 61,505.52 is: 84,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,697.55 : 114,148.20 = 61,505.52 : x
  2. Step 2: Convert to fraction form
    82,697.55/114,148.20 = 61,505.52/x
  3. Step 3: Cross multiply
    82,697.55x = 114,148.20 × 61,505.52
  4. Step 4: Simplify right side
    82,697.55x = 7,020,744,398.06
  5. Step 5: Solve for x
    x = 7,020,744,398.06/82,697.55
  6. Step 6: Final answer
    x = 84,896.64

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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.