Home / 92,089.18-138,141.60-25,529.32

Finding the Fourth Proportional to 92,089.18, 138,141.60 and 25,529.32

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Solution

The fourth proportional to 92,089.18, 138,141.60 and 25,529.32 is: 38,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,089.18 : 138,141.60 = 25,529.32 : x
  2. Step 2: Convert to fraction form
    92,089.18/138,141.60 = 25,529.32/x
  3. Step 3: Cross multiply
    92,089.18x = 138,141.60 × 25,529.32
  4. Step 4: Simplify right side
    92,089.18x = 3,526,661,111.71
  5. Step 5: Solve for x
    x = 3,526,661,111.71/92,089.18
  6. Step 6: Final answer
    x = 38,296.15

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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.