Home / 124,549.11-171,876.78-70,834.05

Finding the Fourth Proportional to 124,549.11, 171,876.78 and 70,834.05

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Solution

The fourth proportional to 124,549.11, 171,876.78 and 70,834.05 is: 97,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,549.11 : 171,876.78 = 70,834.05 : x
  2. Step 2: Convert to fraction form
    124,549.11/171,876.78 = 70,834.05/x
  3. Step 3: Cross multiply
    124,549.11x = 171,876.78 × 70,834.05
  4. Step 4: Simplify right side
    124,549.11x = 12,174,728,428.36
  5. Step 5: Solve for x
    x = 12,174,728,428.36/124,549.11
  6. Step 6: Final answer
    x = 97,750.42

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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.