Home / 77,185.94-106,500.33-45,343.22

Finding the Fourth Proportional to 77,185.94, 106,500.33 and 45,343.22

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Solution

The fourth proportional to 77,185.94, 106,500.33 and 45,343.22 is: 62,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,185.94 : 106,500.33 = 45,343.22 : x
  2. Step 2: Convert to fraction form
    77,185.94/106,500.33 = 45,343.22/x
  3. Step 3: Cross multiply
    77,185.94x = 106,500.33 × 45,343.22
  4. Step 4: Simplify right side
    77,185.94x = 4,829,067,360.76
  5. Step 5: Solve for x
    x = 4,829,067,360.76/77,185.94
  6. Step 6: Final answer
    x = 62,564.08

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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.