Home / 81,476.58-112,436.67-45,666.54

Finding the Fourth Proportional to 81,476.58, 112,436.67 and 45,666.54

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Solution

The fourth proportional to 81,476.58, 112,436.67 and 45,666.54 is: 63,019.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,476.58 : 112,436.67 = 45,666.54 : x
  2. Step 2: Convert to fraction form
    81,476.58/112,436.67 = 45,666.54/x
  3. Step 3: Cross multiply
    81,476.58x = 112,436.67 × 45,666.54
  4. Step 4: Simplify right side
    81,476.58x = 5,134,593,688.02
  5. Step 5: Solve for x
    x = 5,134,593,688.02/81,476.58
  6. Step 6: Final answer
    x = 63,019.26

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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.