Home / 65,411.16-98,145.63-50,747.46

Finding the Fourth Proportional to 65,411.16, 98,145.63 and 50,747.46

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Solution

The fourth proportional to 65,411.16, 98,145.63 and 50,747.46 is: 76,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,411.16 : 98,145.63 = 50,747.46 : x
  2. Step 2: Convert to fraction form
    65,411.16/98,145.63 = 50,747.46/x
  3. Step 3: Cross multiply
    65,411.16x = 98,145.63 × 50,747.46
  4. Step 4: Simplify right side
    65,411.16x = 4,980,641,432.60
  5. Step 5: Solve for x
    x = 4,980,641,432.60/65,411.16
  6. Step 6: Final answer
    x = 76,143.60

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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.