Home / 74,402.16-111,603.24-32,840.88

Finding the Fourth Proportional to 74,402.16, 111,603.24 and 32,840.88

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Solution

The fourth proportional to 74,402.16, 111,603.24 and 32,840.88 is: 49,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,402.16 : 111,603.24 = 32,840.88 : x
  2. Step 2: Convert to fraction form
    74,402.16/111,603.24 = 32,840.88/x
  3. Step 3: Cross multiply
    74,402.16x = 111,603.24 × 32,840.88
  4. Step 4: Simplify right side
    74,402.16x = 3,665,148,612.45
  5. Step 5: Solve for x
    x = 3,665,148,612.45/74,402.16
  6. Step 6: Final answer
    x = 49,261.32

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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.