Home / 58,868.58-81,268.74-45,409.62

Finding the Fourth Proportional to 58,868.58, 81,268.74 and 45,409.62

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Solution

The fourth proportional to 58,868.58, 81,268.74 and 45,409.62 is: 62,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,868.58 : 81,268.74 = 45,409.62 : x
  2. Step 2: Convert to fraction form
    58,868.58/81,268.74 = 45,409.62/x
  3. Step 3: Cross multiply
    58,868.58x = 81,268.74 × 45,409.62
  4. Step 4: Simplify right side
    58,868.58x = 3,690,382,601.28
  5. Step 5: Solve for x
    x = 3,690,382,601.28/58,868.58
  6. Step 6: Final answer
    x = 62,688.49

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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.