Home / 97,261.90-145,871.79-26,182.78

Finding the Fourth Proportional to 97,261.90, 145,871.79 and 26,182.78

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Solution

The fourth proportional to 97,261.90, 145,871.79 and 26,182.78 is: 39,268.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,261.90 : 145,871.79 = 26,182.78 : x
  2. Step 2: Convert to fraction form
    97,261.90/145,871.79 = 26,182.78/x
  3. Step 3: Cross multiply
    97,261.90x = 145,871.79 × 26,182.78
  4. Step 4: Simplify right side
    97,261.90x = 3,819,328,985.78
  5. Step 5: Solve for x
    x = 3,819,328,985.78/97,261.90
  6. Step 6: Final answer
    x = 39,268.50

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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.