Home / 90,078.44-124,291.14-56,529.32

Finding the Fourth Proportional to 90,078.44, 124,291.14 and 56,529.32

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Solution

The fourth proportional to 90,078.44, 124,291.14 and 56,529.32 is: 77,999.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,078.44 : 124,291.14 = 56,529.32 : x
  2. Step 2: Convert to fraction form
    90,078.44/124,291.14 = 56,529.32/x
  3. Step 3: Cross multiply
    90,078.44x = 124,291.14 × 56,529.32
  4. Step 4: Simplify right side
    90,078.44x = 7,026,093,626.22
  5. Step 5: Solve for x
    x = 7,026,093,626.22/90,078.44
  6. Step 6: Final answer
    x = 77,999.73

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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.