Home / 92,088.18-138,392.28-54,655.25

Finding the Fourth Proportional to 92,088.18, 138,392.28 and 54,655.25

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Solution

The fourth proportional to 92,088.18, 138,392.28 and 54,655.25 is: 82,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,088.18 : 138,392.28 = 54,655.25 : x
  2. Step 2: Convert to fraction form
    92,088.18/138,392.28 = 54,655.25/x
  3. Step 3: Cross multiply
    92,088.18x = 138,392.28 × 54,655.25
  4. Step 4: Simplify right side
    92,088.18x = 7,563,863,969.51
  5. Step 5: Solve for x
    x = 7,563,863,969.51/92,088.18
  6. Step 6: Final answer
    x = 82,137.19

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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.