Home / 74,886.96-112,330.44-51,442.32

Finding the Fourth Proportional to 74,886.96, 112,330.44 and 51,442.32

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Solution

The fourth proportional to 74,886.96, 112,330.44 and 51,442.32 is: 77,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886.96 : 112,330.44 = 51,442.32 : x
  2. Step 2: Convert to fraction form
    74,886.96/112,330.44 = 51,442.32/x
  3. Step 3: Cross multiply
    74,886.96x = 112,330.44 × 51,442.32
  4. Step 4: Simplify right side
    74,886.96x = 5,778,538,440.22
  5. Step 5: Solve for x
    x = 5,778,538,440.22/74,886.96
  6. Step 6: Final answer
    x = 77,163.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.