Home / 112,879.23-155,780.34-62,578.23

Finding the Fourth Proportional to 112,879.23, 155,780.34 and 62,578.23

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Solution

The fourth proportional to 112,879.23, 155,780.34 and 62,578.23 is: 86,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,879.23 : 155,780.34 = 62,578.23 : x
  2. Step 2: Convert to fraction form
    112,879.23/155,780.34 = 62,578.23/x
  3. Step 3: Cross multiply
    112,879.23x = 155,780.34 × 62,578.23
  4. Step 4: Simplify right side
    112,879.23x = 9,748,457,946.00
  5. Step 5: Solve for x
    x = 9,748,457,946.00/112,879.23
  6. Step 6: Final answer
    x = 86,361.84

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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.