Home / 92,214.40-138,302.70-25,637.80

Finding the Fourth Proportional to 92,214.40, 138,302.70 and 25,637.80

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Solution

The fourth proportional to 92,214.40, 138,302.70 and 25,637.80 is: 38,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,214.40 : 138,302.70 = 25,637.80 : x
  2. Step 2: Convert to fraction form
    92,214.40/138,302.70 = 25,637.80/x
  3. Step 3: Cross multiply
    92,214.40x = 138,302.70 × 25,637.80
  4. Step 4: Simplify right side
    92,214.40x = 3,545,776,962.06
  5. Step 5: Solve for x
    x = 3,545,776,962.06/92,214.40
  6. Step 6: Final answer
    x = 38,451.45

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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.