Home / 77,403.66-106,800.81-50,585.58

Finding the Fourth Proportional to 77,403.66, 106,800.81 and 50,585.58

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Solution

The fourth proportional to 77,403.66, 106,800.81 and 50,585.58 is: 69,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,403.66 : 106,800.81 = 50,585.58 : x
  2. Step 2: Convert to fraction form
    77,403.66/106,800.81 = 50,585.58/x
  3. Step 3: Cross multiply
    77,403.66x = 106,800.81 × 50,585.58
  4. Step 4: Simplify right side
    77,403.66x = 5,402,580,918.32
  5. Step 5: Solve for x
    x = 5,402,580,918.32/77,403.66
  6. Step 6: Final answer
    x = 69,797.49

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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.