Home / 89,851.70-123,996.21-49,567.16

Finding the Fourth Proportional to 89,851.70, 123,996.21 and 49,567.16

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Solution

The fourth proportional to 89,851.70, 123,996.21 and 49,567.16 is: 68,403.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,851.70 : 123,996.21 = 49,567.16 : x
  2. Step 2: Convert to fraction form
    89,851.70/123,996.21 = 49,567.16/x
  3. Step 3: Cross multiply
    89,851.70x = 123,996.21 × 49,567.16
  4. Step 4: Simplify right side
    89,851.70x = 6,146,139,980.46
  5. Step 5: Solve for x
    x = 6,146,139,980.46/89,851.70
  6. Step 6: Final answer
    x = 68,403.16

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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.