Home / 84,774.05-117,004.33-56,094.28

Finding the Fourth Proportional to 84,774.05, 117,004.33 and 56,094.28

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Solution

The fourth proportional to 84,774.05, 117,004.33 and 56,094.28 is: 77,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,774.05 : 117,004.33 = 56,094.28 : x
  2. Step 2: Convert to fraction form
    84,774.05/117,004.33 = 56,094.28/x
  3. Step 3: Cross multiply
    84,774.05x = 117,004.33 × 56,094.28
  4. Step 4: Simplify right side
    84,774.05x = 6,563,273,648.23
  5. Step 5: Solve for x
    x = 6,563,273,648.23/84,774.05
  6. Step 6: Final answer
    x = 77,420.79

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1.5x scale

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.