Home / 82,533.47-113,896.66-48,543.39

Finding the Fourth Proportional to 82,533.47, 113,896.66 and 48,543.39

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Solution

The fourth proportional to 82,533.47, 113,896.66 and 48,543.39 is: 66,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,533.47 : 113,896.66 = 48,543.39 : x
  2. Step 2: Convert to fraction form
    82,533.47/113,896.66 = 48,543.39/x
  3. Step 3: Cross multiply
    82,533.47x = 113,896.66 × 48,543.39
  4. Step 4: Simplify right side
    82,533.47x = 5,528,930,392.18
  5. Step 5: Solve for x
    x = 5,528,930,392.18/82,533.47
  6. Step 6: Final answer
    x = 66,990.16

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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.