Home / 77,077.60-106,384.86-50,173.25

Finding the Fourth Proportional to 77,077.60, 106,384.86 and 50,173.25

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Solution

The fourth proportional to 77,077.60, 106,384.86 and 50,173.25 is: 69,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,077.60 : 106,384.86 = 50,173.25 : x
  2. Step 2: Convert to fraction form
    77,077.60/106,384.86 = 50,173.25/x
  3. Step 3: Cross multiply
    77,077.60x = 106,384.86 × 50,173.25
  4. Step 4: Simplify right side
    77,077.60x = 5,337,673,645.07
  5. Step 5: Solve for x
    x = 5,337,673,645.07/77,077.60
  6. Step 6: Final answer
    x = 69,250.65

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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.