Home / 90,703.17-136,056.14-34,546.38

Finding the Fourth Proportional to 90,703.17, 136,056.14 and 34,546.38

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Solution

The fourth proportional to 90,703.17, 136,056.14 and 34,546.38 is: 51,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,703.17 : 136,056.14 = 34,546.38 : x
  2. Step 2: Convert to fraction form
    90,703.17/136,056.14 = 34,546.38/x
  3. Step 3: Cross multiply
    90,703.17x = 136,056.14 × 34,546.38
  4. Step 4: Simplify right side
    90,703.17x = 4,700,247,113.77
  5. Step 5: Solve for x
    x = 4,700,247,113.77/90,703.17
  6. Step 6: Final answer
    x = 51,820.10

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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.