Home / 105,564.90-145,681.92-60,241.98

Finding the Fourth Proportional to 105,564.90, 145,681.92 and 60,241.98

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Solution

The fourth proportional to 105,564.90, 145,681.92 and 60,241.98 is: 83,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,564.90 : 145,681.92 = 60,241.98 : x
  2. Step 2: Convert to fraction form
    105,564.90/145,681.92 = 60,241.98/x
  3. Step 3: Cross multiply
    105,564.90x = 145,681.92 × 60,241.98
  4. Step 4: Simplify right side
    105,564.90x = 8,776,167,311.00
  5. Step 5: Solve for x
    x = 8,776,167,311.00/105,564.90
  6. Step 6: Final answer
    x = 83,135.28

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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.