Home / 112,571.88-155,350.42-61,583.52

Finding the Fourth Proportional to 112,571.88, 155,350.42 and 61,583.52

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Solution

The fourth proportional to 112,571.88, 155,350.42 and 61,583.52 is: 84,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,571.88 : 155,350.42 = 61,583.52 : x
  2. Step 2: Convert to fraction form
    112,571.88/155,350.42 = 61,583.52/x
  3. Step 3: Cross multiply
    112,571.88x = 155,350.42 × 61,583.52
  4. Step 4: Simplify right side
    112,571.88x = 9,567,025,697.08
  5. Step 5: Solve for x
    x = 9,567,025,697.08/112,571.88
  6. Step 6: Final answer
    x = 84,985.93

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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.