Home / 47,878.21-66,074.28-26,657.02

Finding the Fourth Proportional to 47,878.21, 66,074.28 and 26,657.02

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Solution

The fourth proportional to 47,878.21, 66,074.28 and 26,657.02 is: 36,787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,878.21 : 66,074.28 = 26,657.02 : x
  2. Step 2: Convert to fraction form
    47,878.21/66,074.28 = 26,657.02/x
  3. Step 3: Cross multiply
    47,878.21x = 66,074.28 × 26,657.02
  4. Step 4: Simplify right side
    47,878.21x = 1,761,343,073.07
  5. Step 5: Solve for x
    x = 1,761,343,073.07/47,878.21
  6. Step 6: Final answer
    x = 36,787.99

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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.