Home / 42,886.08-64,301.76-25,361.28

Finding the Fourth Proportional to 42,886.08, 64,301.76 and 25,361.28

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Solution

The fourth proportional to 42,886.08, 64,301.76 and 25,361.28 is: 38,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,886.08 : 64,301.76 = 25,361.28 : x
  2. Step 2: Convert to fraction form
    42,886.08/64,301.76 = 25,361.28/x
  3. Step 3: Cross multiply
    42,886.08x = 64,301.76 × 25,361.28
  4. Step 4: Simplify right side
    42,886.08x = 1,630,774,939.85
  5. Step 5: Solve for x
    x = 1,630,774,939.85/42,886.08
  6. Step 6: Final answer
    x = 38,025.74

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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.