Home / 112,879.73-155,781.02-62,578.73

Finding the Fourth Proportional to 112,879.73, 155,781.02 and 62,578.73

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Solution

The fourth proportional to 112,879.73, 155,781.02 and 62,578.73 is: 86,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,879.73 : 155,781.02 = 62,578.73 : x
  2. Step 2: Convert to fraction form
    112,879.73/155,781.02 = 62,578.73/x
  3. Step 3: Cross multiply
    112,879.73x = 155,781.02 × 62,578.73
  4. Step 4: Simplify right side
    112,879.73x = 9,748,578,389.70
  5. Step 5: Solve for x
    x = 9,748,578,389.70/112,879.73
  6. Step 6: Final answer
    x = 86,362.52

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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.