Home / 51,138.32-70,592.72-34,381.04

Finding the Fourth Proportional to 51,138.32, 70,592.72 and 34,381.04

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Solution

The fourth proportional to 51,138.32, 70,592.72 and 34,381.04 is: 47,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,138.32 : 70,592.72 = 34,381.04 : x
  2. Step 2: Convert to fraction form
    51,138.32/70,592.72 = 34,381.04/x
  3. Step 3: Cross multiply
    51,138.32x = 70,592.72 × 34,381.04
  4. Step 4: Simplify right side
    51,138.32x = 2,427,050,605.16
  5. Step 5: Solve for x
    x = 2,427,050,605.16/51,138.32
  6. Step 6: Final answer
    x = 47,460.51

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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.