Home / 105,895.64-146,135.44-57,496.52

Finding the Fourth Proportional to 105,895.64, 146,135.44 and 57,496.52

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Solution

The fourth proportional to 105,895.64, 146,135.44 and 57,496.52 is: 79,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,895.64 : 146,135.44 = 57,496.52 : x
  2. Step 2: Convert to fraction form
    105,895.64/146,135.44 = 57,496.52/x
  3. Step 3: Cross multiply
    105,895.64x = 146,135.44 × 57,496.52
  4. Step 4: Simplify right side
    105,895.64x = 8,402,279,248.67
  5. Step 5: Solve for x
    x = 8,402,279,248.67/105,895.64
  6. Step 6: Final answer
    x = 79,344.90

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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.