Home / 108,765.65-163,148.08-61,359.23

Finding the Fourth Proportional to 108,765.65, 163,148.08 and 61,359.23

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Solution

The fourth proportional to 108,765.65, 163,148.08 and 61,359.23 is: 92,038.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,765.65 : 163,148.08 = 61,359.23 : x
  2. Step 2: Convert to fraction form
    108,765.65/163,148.08 = 61,359.23/x
  3. Step 3: Cross multiply
    108,765.65x = 163,148.08 × 61,359.23
  4. Step 4: Simplify right side
    108,765.65x = 10,010,640,564.78
  5. Step 5: Solve for x
    x = 10,010,640,564.78/108,765.65
  6. Step 6: Final answer
    x = 92,038.63

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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.