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Finding the Fourth Proportional to 52,503.57, 79,124.94 and 47,512.62

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Solution

The fourth proportional to 52,503.57, 79,124.94 and 47,512.62 is: 71,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,503.57 : 79,124.94 = 47,512.62 : x
  2. Step 2: Convert to fraction form
    52,503.57/79,124.94 = 47,512.62/x
  3. Step 3: Cross multiply
    52,503.57x = 79,124.94 × 47,512.62
  4. Step 4: Simplify right side
    52,503.57x = 3,759,433,206.74
  5. Step 5: Solve for x
    x = 3,759,433,206.74/52,503.57
  6. Step 6: Final answer
    x = 71,603.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.