Home / 82,339.02-123,483.69-34,953.21

Finding the Fourth Proportional to 82,339.02, 123,483.69 and 34,953.21

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Solution

The fourth proportional to 82,339.02, 123,483.69 and 34,953.21 is: 52,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,339.02 : 123,483.69 = 34,953.21 : x
  2. Step 2: Convert to fraction form
    82,339.02/123,483.69 = 34,953.21/x
  3. Step 3: Cross multiply
    82,339.02x = 123,483.69 × 34,953.21
  4. Step 4: Simplify right side
    82,339.02x = 4,316,151,348.14
  5. Step 5: Solve for x
    x = 4,316,151,348.14/82,339.02
  6. Step 6: Final answer
    x = 52,419.27

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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.