Home / 112,008.60-154,571.82-61,707.60

Finding the Fourth Proportional to 112,008.60, 154,571.82 and 61,707.60

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Solution

The fourth proportional to 112,008.60, 154,571.82 and 61,707.60 is: 85,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,008.60 : 154,571.82 = 61,707.60 : x
  2. Step 2: Convert to fraction form
    112,008.60/154,571.82 = 61,707.60/x
  3. Step 3: Cross multiply
    112,008.60x = 154,571.82 × 61,707.60
  4. Step 4: Simplify right side
    112,008.60x = 9,538,256,039.83
  5. Step 5: Solve for x
    x = 9,538,256,039.83/112,008.60
  6. Step 6: Final answer
    x = 85,156.46

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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.