Home / 81,111.49-111,922.79-45,296.93

Finding the Fourth Proportional to 81,111.49, 111,922.79 and 45,296.93

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Solution

The fourth proportional to 81,111.49, 111,922.79 and 45,296.93 is: 62,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,111.49 : 111,922.79 = 45,296.93 : x
  2. Step 2: Convert to fraction form
    81,111.49/111,922.79 = 45,296.93/x
  3. Step 3: Cross multiply
    81,111.49x = 111,922.79 × 45,296.93
  4. Step 4: Simplify right side
    81,111.49x = 5,069,759,177.08
  5. Step 5: Solve for x
    x = 5,069,759,177.08/81,111.49
  6. Step 6: Final answer
    x = 62,503.59

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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.