Home / 88,341.67-121,912.47-48,055.54

Finding the Fourth Proportional to 88,341.67, 121,912.47 and 48,055.54

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Solution

The fourth proportional to 88,341.67, 121,912.47 and 48,055.54 is: 66,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,341.67 : 121,912.47 = 48,055.54 : x
  2. Step 2: Convert to fraction form
    88,341.67/121,912.47 = 48,055.54/x
  3. Step 3: Cross multiply
    88,341.67x = 121,912.47 × 48,055.54
  4. Step 4: Simplify right side
    88,341.67x = 5,858,569,578.58
  5. Step 5: Solve for x
    x = 5,858,569,578.58/88,341.67
  6. Step 6: Final answer
    x = 66,317.17

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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.