Home / 105,266.80-145,252.20-59,928.40

Finding the Fourth Proportional to 105,266.80, 145,252.20 and 59,928.40

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Solution

The fourth proportional to 105,266.80, 145,252.20 and 59,928.40 is: 82,692.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,266.80 : 145,252.20 = 59,928.40 : x
  2. Step 2: Convert to fraction form
    105,266.80/145,252.20 = 59,928.40/x
  3. Step 3: Cross multiply
    105,266.80x = 145,252.20 × 59,928.40
  4. Step 4: Simplify right side
    105,266.80x = 8,704,731,942.48
  5. Step 5: Solve for x
    x = 8,704,731,942.48/105,266.80
  6. Step 6: Final answer
    x = 82,692.09

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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.