Home / 112,410.08-155,129.04-62,112.32

Finding the Fourth Proportional to 112,410.08, 155,129.04 and 62,112.32

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Solution

The fourth proportional to 112,410.08, 155,129.04 and 62,112.32 is: 85,716.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,410.08 : 155,129.04 = 62,112.32 : x
  2. Step 2: Convert to fraction form
    112,410.08/155,129.04 = 62,112.32/x
  3. Step 3: Cross multiply
    112,410.08x = 155,129.04 × 62,112.32
  4. Step 4: Simplify right side
    112,410.08x = 9,635,424,573.77
  5. Step 5: Solve for x
    x = 9,635,424,573.77/112,410.08
  6. Step 6: Final answer
    x = 85,716.73

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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.