Home / 47,643.89-65,746.37-26,422.70

Finding the Fourth Proportional to 47,643.89, 65,746.37 and 26,422.70

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Solution

The fourth proportional to 47,643.89, 65,746.37 and 26,422.70 is: 36,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,643.89 : 65,746.37 = 26,422.70 : x
  2. Step 2: Convert to fraction form
    47,643.89/65,746.37 = 26,422.70/x
  3. Step 3: Cross multiply
    47,643.89x = 65,746.37 × 26,422.70
  4. Step 4: Simplify right side
    47,643.89x = 1,737,196,478.49
  5. Step 5: Solve for x
    x = 1,737,196,478.49/47,643.89
  6. Step 6: Final answer
    x = 36,462.10

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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.