Home / 47,981.35-66,214.38-26,761.98

Finding the Fourth Proportional to 47,981.35, 66,214.38 and 26,761.98

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Solution

The fourth proportional to 47,981.35, 66,214.38 and 26,761.98 is: 36,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,981.35 : 66,214.38 = 26,761.98 : x
  2. Step 2: Convert to fraction form
    47,981.35/66,214.38 = 26,761.98/x
  3. Step 3: Cross multiply
    47,981.35x = 66,214.38 × 26,761.98
  4. Step 4: Simplify right side
    47,981.35x = 1,772,027,913.27
  5. Step 5: Solve for x
    x = 1,772,027,913.27/47,981.35
  6. Step 6: Final answer
    x = 36,931.60

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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.