Home / 112,452.80-155,184.73-61,465.86

Finding the Fourth Proportional to 112,452.80, 155,184.73 and 61,465.86

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Solution

The fourth proportional to 112,452.80, 155,184.73 and 61,465.86 is: 84,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,452.80 : 155,184.73 = 61,465.86 : x
  2. Step 2: Convert to fraction form
    112,452.80/155,184.73 = 61,465.86/x
  3. Step 3: Cross multiply
    112,452.80x = 155,184.73 × 61,465.86
  4. Step 4: Simplify right side
    112,452.80x = 9,538,562,734.65
  5. Step 5: Solve for x
    x = 9,538,562,734.65/112,452.80
  6. Step 6: Final answer
    x = 84,822.82

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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.