Home / 108,999.36-163,437.48-37,889.28

Finding the Fourth Proportional to 108,999.36, 163,437.48 and 37,889.28

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Solution

The fourth proportional to 108,999.36, 163,437.48 and 37,889.28 is: 56,812.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,999.36 : 163,437.48 = 37,889.28 : x
  2. Step 2: Convert to fraction form
    108,999.36/163,437.48 = 37,889.28/x
  3. Step 3: Cross multiply
    108,999.36x = 163,437.48 × 37,889.28
  4. Step 4: Simplify right side
    108,999.36x = 6,192,528,442.21
  5. Step 5: Solve for x
    x = 6,192,528,442.21/108,999.36
  6. Step 6: Final answer
    x = 56,812.52

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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.