Home / 71,659.36-98,718.98-50,108.81

Finding the Fourth Proportional to 71,659.36, 98,718.98 and 50,108.81

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Solution

The fourth proportional to 71,659.36, 98,718.98 and 50,108.81 is: 69,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,659.36 : 98,718.98 = 50,108.81 : x
  2. Step 2: Convert to fraction form
    71,659.36/98,718.98 = 50,108.81/x
  3. Step 3: Cross multiply
    71,659.36x = 98,718.98 × 50,108.81
  4. Step 4: Simplify right side
    71,659.36x = 4,946,689,868.07
  5. Step 5: Solve for x
    x = 4,946,689,868.07/71,659.36
  6. Step 6: Final answer
    x = 69,030.62

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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.