Home / 74,328.53-102,658.58-48,948.39

Finding the Fourth Proportional to 74,328.53, 102,658.58 and 48,948.39

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Solution

The fourth proportional to 74,328.53, 102,658.58 and 48,948.39 is: 67,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,328.53 : 102,658.58 = 48,948.39 : x
  2. Step 2: Convert to fraction form
    74,328.53/102,658.58 = 48,948.39/x
  3. Step 3: Cross multiply
    74,328.53x = 102,658.58 × 48,948.39
  4. Step 4: Simplify right side
    74,328.53x = 5,024,971,965.94
  5. Step 5: Solve for x
    x = 5,024,971,965.94/74,328.53
  6. Step 6: Final answer
    x = 67,604.89

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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.