Home / 105,857.36-146,082.53-57,460.25

Finding the Fourth Proportional to 105,857.36, 146,082.53 and 57,460.25

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Solution

The fourth proportional to 105,857.36, 146,082.53 and 57,460.25 is: 79,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,857.36 : 146,082.53 = 57,460.25 : x
  2. Step 2: Convert to fraction form
    105,857.36/146,082.53 = 57,460.25/x
  3. Step 3: Cross multiply
    105,857.36x = 146,082.53 × 57,460.25
  4. Step 4: Simplify right side
    105,857.36x = 8,393,937,676.72
  5. Step 5: Solve for x
    x = 8,393,937,676.72/105,857.36
  6. Step 6: Final answer
    x = 79,294.80

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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.