Home / 92,121.23-138,173.90-56,088.35

Finding the Fourth Proportional to 92,121.23, 138,173.90 and 56,088.35

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Solution

The fourth proportional to 92,121.23, 138,173.90 and 56,088.35 is: 84,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,121.23 : 138,173.90 = 56,088.35 : x
  2. Step 2: Convert to fraction form
    92,121.23/138,173.90 = 56,088.35/x
  3. Step 3: Cross multiply
    92,121.23x = 138,173.90 × 56,088.35
  4. Step 4: Simplify right side
    92,121.23x = 7,749,946,064.07
  5. Step 5: Solve for x
    x = 7,749,946,064.07/92,121.23
  6. Step 6: Final answer
    x = 84,127.69

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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.