Home / 112,359.88-155,051.22-62,057.80

Finding the Fourth Proportional to 112,359.88, 155,051.22 and 62,057.80

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Solution

The fourth proportional to 112,359.88, 155,051.22 and 62,057.80 is: 85,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,359.88 : 155,051.22 = 62,057.80 : x
  2. Step 2: Convert to fraction form
    112,359.88/155,051.22 = 62,057.80/x
  3. Step 3: Cross multiply
    112,359.88x = 155,051.22 × 62,057.80
  4. Step 4: Simplify right side
    112,359.88x = 9,622,137,600.52
  5. Step 5: Solve for x
    x = 9,622,137,600.52/112,359.88
  6. Step 6: Final answer
    x = 85,636.77

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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.