Home / 74,257.61-111,423.20-34,817.76

Finding the Fourth Proportional to 74,257.61, 111,423.20 and 34,817.76

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Solution

The fourth proportional to 74,257.61, 111,423.20 and 34,817.76 is: 52,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,257.61 : 111,423.20 = 34,817.76 : x
  2. Step 2: Convert to fraction form
    74,257.61/111,423.20 = 34,817.76/x
  3. Step 3: Cross multiply
    74,257.61x = 111,423.20 × 34,817.76
  4. Step 4: Simplify right side
    74,257.61x = 3,879,506,061.94
  5. Step 5: Solve for x
    x = 3,879,506,061.94/74,257.61
  6. Step 6: Final answer
    x = 52,243.89

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1.5x scale

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.