Home / 108,431.63-149,651.40-62,482.35

Finding the Fourth Proportional to 108,431.63, 149,651.40 and 62,482.35

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Solution

The fourth proportional to 108,431.63, 149,651.40 and 62,482.35 is: 86,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,431.63 : 149,651.40 = 62,482.35 : x
  2. Step 2: Convert to fraction form
    108,431.63/149,651.40 = 62,482.35/x
  3. Step 3: Cross multiply
    108,431.63x = 149,651.40 × 62,482.35
  4. Step 4: Simplify right side
    108,431.63x = 9,350,571,152.79
  5. Step 5: Solve for x
    x = 9,350,571,152.79/108,431.63
  6. Step 6: Final answer
    x = 86,234.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.