Home / 112,998.93-155,940.03-62,012.07

Finding the Fourth Proportional to 112,998.93, 155,940.03 and 62,012.07

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Solution

The fourth proportional to 112,998.93, 155,940.03 and 62,012.07 is: 85,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,998.93 : 155,940.03 = 62,012.07 : x
  2. Step 2: Convert to fraction form
    112,998.93/155,940.03 = 62,012.07/x
  3. Step 3: Cross multiply
    112,998.93x = 155,940.03 × 62,012.07
  4. Step 4: Simplify right side
    112,998.93x = 9,670,164,056.16
  5. Step 5: Solve for x
    x = 9,670,164,056.16/112,998.93
  6. Step 6: Final answer
    x = 85,577.48

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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.