Home / 85,264.44-117,666.40-47,028.36

Finding the Fourth Proportional to 85,264.44, 117,666.40 and 47,028.36

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Solution

The fourth proportional to 85,264.44, 117,666.40 and 47,028.36 is: 64,899.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,264.44 : 117,666.40 = 47,028.36 : x
  2. Step 2: Convert to fraction form
    85,264.44/117,666.40 = 47,028.36/x
  3. Step 3: Cross multiply
    85,264.44x = 117,666.40 × 47,028.36
  4. Step 4: Simplify right side
    85,264.44x = 5,533,657,819.10
  5. Step 5: Solve for x
    x = 5,533,657,819.10/85,264.44
  6. Step 6: Final answer
    x = 64,899.95

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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.