Home / 104,342.76-156,543.18-34,271.28

Finding the Fourth Proportional to 104,342.76, 156,543.18 and 34,271.28

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Solution

The fourth proportional to 104,342.76, 156,543.18 and 34,271.28 is: 51,416.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,342.76 : 156,543.18 = 34,271.28 : x
  2. Step 2: Convert to fraction form
    104,342.76/156,543.18 = 34,271.28/x
  3. Step 3: Cross multiply
    104,342.76x = 156,543.18 × 34,271.28
  4. Step 4: Simplify right side
    104,342.76x = 5,364,935,153.87
  5. Step 5: Solve for x
    x = 5,364,935,153.87/104,342.76
  6. Step 6: Final answer
    x = 51,416.46

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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.