Home / 88,048.18-132,072.36-31,164.40

Finding the Fourth Proportional to 88,048.18, 132,072.36 and 31,164.40

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Solution

The fourth proportional to 88,048.18, 132,072.36 and 31,164.40 is: 46,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,048.18 : 132,072.36 = 31,164.40 : x
  2. Step 2: Convert to fraction form
    88,048.18/132,072.36 = 31,164.40/x
  3. Step 3: Cross multiply
    88,048.18x = 132,072.36 × 31,164.40
  4. Step 4: Simplify right side
    88,048.18x = 4,115,955,855.98
  5. Step 5: Solve for x
    x = 4,115,955,855.98/88,048.18
  6. Step 6: Final answer
    x = 46,746.63

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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.