Home / 74,572.77-111,778.05-37,160.49

Finding the Fourth Proportional to 74,572.77, 111,778.05 and 37,160.49

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Solution

The fourth proportional to 74,572.77, 111,778.05 and 37,160.49 is: 55,700.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,572.77 : 111,778.05 = 37,160.49 : x
  2. Step 2: Convert to fraction form
    74,572.77/111,778.05 = 37,160.49/x
  3. Step 3: Cross multiply
    74,572.77x = 111,778.05 × 37,160.49
  4. Step 4: Simplify right side
    74,572.77x = 4,153,727,109.24
  5. Step 5: Solve for x
    x = 4,153,727,109.24/74,572.77
  6. Step 6: Final answer
    x = 55,700.32

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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.