Home / 51,703.54-77,409.24-42,159.28

Finding the Fourth Proportional to 51,703.54, 77,409.24 and 42,159.28

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Solution

The fourth proportional to 51,703.54, 77,409.24 and 42,159.28 is: 63,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,703.54 : 77,409.24 = 42,159.28 : x
  2. Step 2: Convert to fraction form
    51,703.54/77,409.24 = 42,159.28/x
  3. Step 3: Cross multiply
    51,703.54x = 77,409.24 × 42,159.28
  4. Step 4: Simplify right side
    51,703.54x = 3,263,517,823.75
  5. Step 5: Solve for x
    x = 3,263,517,823.75/51,703.54
  6. Step 6: Final answer
    x = 63,119.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.