Home / 112,542.32-155,302.04-61,544.93

Finding the Fourth Proportional to 112,542.32, 155,302.04 and 61,544.93

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Solution

The fourth proportional to 112,542.32, 155,302.04 and 61,544.93 is: 84,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,542.32 : 155,302.04 = 61,544.93 : x
  2. Step 2: Convert to fraction form
    112,542.32/155,302.04 = 61,544.93/x
  3. Step 3: Cross multiply
    112,542.32x = 155,302.04 × 61,544.93
  4. Step 4: Simplify right side
    112,542.32x = 9,558,052,558.01
  5. Step 5: Solve for x
    x = 9,558,052,558.01/112,542.32
  6. Step 6: Final answer
    x = 84,928.52

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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.