Home / 113,507.02-156,640.76-62,519.94

Finding the Fourth Proportional to 113,507.02, 156,640.76 and 62,519.94

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Solution

The fourth proportional to 113,507.02, 156,640.76 and 62,519.94 is: 86,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,507.02 : 156,640.76 = 62,519.94 : x
  2. Step 2: Convert to fraction form
    113,507.02/156,640.76 = 62,519.94/x
  3. Step 3: Cross multiply
    113,507.02x = 156,640.76 × 62,519.94
  4. Step 4: Simplify right side
    113,507.02x = 9,793,170,916.75
  5. Step 5: Solve for x
    x = 9,793,170,916.75/113,507.02
  6. Step 6: Final answer
    x = 86,278.11

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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.