Home / 92,124.24-138,178.40-56,091.34

Finding the Fourth Proportional to 92,124.24, 138,178.40 and 56,091.34

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Solution

The fourth proportional to 92,124.24, 138,178.40 and 56,091.34 is: 84,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,124.24 : 138,178.40 = 56,091.34 : x
  2. Step 2: Convert to fraction form
    92,124.24/138,178.40 = 56,091.34/x
  3. Step 3: Cross multiply
    92,124.24x = 138,178.40 × 56,091.34
  4. Step 4: Simplify right side
    92,124.24x = 7,750,611,615.06
  5. Step 5: Solve for x
    x = 7,750,611,615.06/92,124.24
  6. Step 6: Final answer
    x = 84,132.16

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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.