Home / 58,868.33-81,268.40-45,409.37

Finding the Fourth Proportional to 58,868.33, 81,268.40 and 45,409.37

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Solution

The fourth proportional to 58,868.33, 81,268.40 and 45,409.37 is: 62,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,868.33 : 81,268.40 = 45,409.37 : x
  2. Step 2: Convert to fraction form
    58,868.33/81,268.40 = 45,409.37/x
  3. Step 3: Cross multiply
    58,868.33x = 81,268.40 × 45,409.37
  4. Step 4: Simplify right side
    58,868.33x = 3,690,346,844.91
  5. Step 5: Solve for x
    x = 3,690,346,844.91/58,868.33
  6. Step 6: Final answer
    x = 62,688.15

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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.