Home / 112,441.48-155,168.87-61,454.19

Finding the Fourth Proportional to 112,441.48, 155,168.87 and 61,454.19

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Solution

The fourth proportional to 112,441.48, 155,168.87 and 61,454.19 is: 84,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,441.48 : 155,168.87 = 61,454.19 : x
  2. Step 2: Convert to fraction form
    112,441.48/155,168.87 = 61,454.19/x
  3. Step 3: Cross multiply
    112,441.48x = 155,168.87 × 61,454.19
  4. Step 4: Simplify right side
    112,441.48x = 9,535,777,493.68
  5. Step 5: Solve for x
    x = 9,535,777,493.68/112,441.48
  6. Step 6: Final answer
    x = 84,806.58

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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.