Home / 55,902.08-77,137.85-37,792.20

Finding the Fourth Proportional to 55,902.08, 77,137.85 and 37,792.20

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Solution

The fourth proportional to 55,902.08, 77,137.85 and 37,792.20 is: 52,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,902.08 : 77,137.85 = 37,792.20 : x
  2. Step 2: Convert to fraction form
    55,902.08/77,137.85 = 37,792.20/x
  3. Step 3: Cross multiply
    55,902.08x = 77,137.85 × 37,792.20
  4. Step 4: Simplify right side
    55,902.08x = 2,915,209,054.77
  5. Step 5: Solve for x
    x = 2,915,209,054.77/55,902.08
  6. Step 6: Final answer
    x = 52,148.49

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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.