Home / 82,533.12-113,896.16-48,543.03

Finding the Fourth Proportional to 82,533.12, 113,896.16 and 48,543.03

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Solution

The fourth proportional to 82,533.12, 113,896.16 and 48,543.03 is: 66,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,533.12 : 113,896.16 = 48,543.03 : x
  2. Step 2: Convert to fraction form
    82,533.12/113,896.16 = 48,543.03/x
  3. Step 3: Cross multiply
    82,533.12x = 113,896.16 × 48,543.03
  4. Step 4: Simplify right side
    82,533.12x = 5,528,864,711.76
  5. Step 5: Solve for x
    x = 5,528,864,711.76/82,533.12
  6. Step 6: Final answer
    x = 66,989.65

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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.