Home / 71,512.77-98,724.37-50,386.35

Finding the Fourth Proportional to 71,512.77, 98,724.37 and 50,386.35

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Solution

The fourth proportional to 71,512.77, 98,724.37 and 50,386.35 is: 69,559.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,512.77 : 98,724.37 = 50,386.35 : x
  2. Step 2: Convert to fraction form
    71,512.77/98,724.37 = 50,386.35/x
  3. Step 3: Cross multiply
    71,512.77x = 98,724.37 × 50,386.35
  4. Step 4: Simplify right side
    71,512.77x = 4,974,360,999.07
  5. Step 5: Solve for x
    x = 4,974,360,999.07/71,512.77
  6. Step 6: Final answer
    x = 69,559.06

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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.