Home / 74,781.84-112,130.72-24,835.20

Finding the Fourth Proportional to 74,781.84, 112,130.72 and 24,835.20

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Solution

The fourth proportional to 74,781.84, 112,130.72 and 24,835.20 is: 37,238.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,781.84 : 112,130.72 = 24,835.20 : x
  2. Step 2: Convert to fraction form
    74,781.84/112,130.72 = 24,835.20/x
  3. Step 3: Cross multiply
    74,781.84x = 112,130.72 × 24,835.20
  4. Step 4: Simplify right side
    74,781.84x = 2,784,788,857.34
  5. Step 5: Solve for x
    x = 2,784,788,857.34/74,781.84
  6. Step 6: Final answer
    x = 37,238.84

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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.