Home / 105,021.08-144,923.31-59,692.76

Finding the Fourth Proportional to 105,021.08, 144,923.31 and 59,692.76

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Solution

The fourth proportional to 105,021.08, 144,923.31 and 59,692.76 is: 82,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,021.08 : 144,923.31 = 59,692.76 : x
  2. Step 2: Convert to fraction form
    105,021.08/144,923.31 = 59,692.76/x
  3. Step 3: Cross multiply
    105,021.08x = 144,923.31 × 59,692.76
  4. Step 4: Simplify right side
    105,021.08x = 8,650,871,637.62
  5. Step 5: Solve for x
    x = 8,650,871,637.62/105,021.08
  6. Step 6: Final answer
    x = 82,372.72

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1.5x scale

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.